diff --git a/.agents/pm/chores/pm-ogzvx6.toon b/.agents/pm/chores/pm-ogzvx6.toon
index 232f21e60..1d2f869c6 100644
--- a/.agents/pm/chores/pm-ogzvx6.toon
+++ b/.agents/pm/chores/pm-ogzvx6.toon
@@ -6,7 +6,7 @@ status: open
 priority: 3
 tags: []
 created_at: "2026-10-27T22:24:28.217Z"
-updated_at: "2026-10-28T00:06:33.339Z"
+updated_at: "2026-10-28T15:37:34.581Z"
 author: "harness:codex"
 estimated_minutes: 180
 acceptance_criteria: "Recheck primary registry ages and adopt only versions eligible under project cooldown; Preserve supported Node versions and matching Stryker/peer/runtime locks; Run sandboxed coverage, static, package and hosted gates with reviewed changelog and no advisory regressions"
@@ -20,7 +20,8 @@ dependencies[5]{id,kind,created_at,author,source_kind,author_source}:
   pm-fokyhh,related,"2026-10-28T00:06:33.019Z","harness:codex","cli:update:dep",detected
   pm-ksr40d,related,"2026-10-28T00:06:33.019Z","harness:codex","cli:update:dep",detected
   pm-t3jxjj,related,"2026-10-28T00:06:33.019Z","harness:codex","cli:update:dep",detected
-comments[2]{created_at,author,text}:
+comments[3]{created_at,author,text}:
   "2026-10-27T22:24:28.217Z","harness:codex","Duplicate check: complete strict3143-item all-status corpus, live open/in-progress lists, dependency maintenance and cooldown cohort searches, and full live pm-wb25c1 metadata confirm the prior finite cohort is closed and no open owner covers these new versions. This is future maintenance intake only, open and unclaimed."
   "2026-10-27T22:25:22.658Z","harness:codex","Primary public-registry metadata confirms latest SentryCLI3.8.2 age5.47days, marked18.1.2 age1.31days, TypeScriptESLint8.72.1 age1.22days, Stryker core+runner10.1.1 age4.13days, Knip6.43.0 age3.58days and Unicorn79 age4.24days. All are below seven days. Major owners remain pm-fokyhh for Vitest/coverage5.0.5 plus CodSpeed6.1.0, pm-t3jxjj for Sentry11, pm-do5b for TypeScript7 and pm-ksr40d for npm-package-arg14. Latest CodSpeed peers include Vitest5, as already recorded on its owner; compatibility/migration gates still need implementation. Current pnpm audit reports zero vulnerabilities across567 dependencies and GitHub has zero open dependency alerts or update PRs. Keep this intake open/unclaimed; no dependency version or policy is changed in the SDK input PR."
+  "2026-10-28T15:37:34.581Z","harness:codex","Live October28 registry refresh: Sentry CLI3.8.2 age6.19days, marked18.1.2 age2.03days, typescript-eslint8.72.1 age1.93days, Stryker10.1.1 age4.84days, Greptile3.8.0 age1.71days, Knip6.43.0 age4.29days, Unicorn79 age4.96days and ext-apps2.0.4 age1.35days remain below seven-day cooldown. Existing major-migration owners remain separate. GitHub census finds zero open PRs and zero Dependabot, code-scanning or secret-scanning alerts. No dependency upgrade or policy bypass is justified in this context-read delivery."
 body: ""
diff --git a/.agents/pm/extensions/.managed-extensions.json b/.agents/pm/extensions/.managed-extensions.json
index 8663126b1..4a4dafe27 100644
--- a/.agents/pm/extensions/.managed-extensions.json
+++ b/.agents/pm/extensions/.managed-extensions.json
@@ -1,6 +1,6 @@
 {
   "version": 1,
-  "updated_at": "2026-10-28T14:48:27.955Z",
+  "updated_at": "2026-10-28T17:20:30.881Z",
   "entries": [
     {
       "name": "builtin-calendar",
diff --git a/.agents/pm/history/pm-7zs0.jsonl b/.agents/pm/history/pm-7zs0.jsonl
index 6d9558f19..98a2b7d20 100644
--- a/.agents/pm/history/pm-7zs0.jsonl
+++ b/.agents/pm/history/pm-7zs0.jsonl
@@ -564,3 +564,5 @@
 {"hash_algorithm":"sha256","ts":"2026-10-28T04:31:55.055Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6.1-sol","agent_model_source":"probe","agent_instance":"525eee5e83a0bb4065087287","agent_provenance":{"model":{"value":"gpt-6.1-sol","source":"probe"},"effort":{"value":"xhigh","source":"probe"},"role":null,"topic":null},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/246","value":{"created_at":"2026-10-28T04:31:55.055Z","author":"harness:codex","text":"PR1616 review: replaced only the delivery reference of the existing October28 06:00UTC occurrence from PR1608 to PR1616 through pm update --reminder. The scheduled instant is unchanged and no occurrence was added or re-armed. Morning dispatcher40628452727 prepared v2026.10.28 from main7d85bc8c1 and advanced main to release commitb5241ced0; downstream publication remains under observation. The pending SDK delivery postdates that immutable release and must not be described as already published."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T04:31:55.055Z"}],"before_hash":"61f01ca019d459f9399926c9c9f71c0ca9cd844dea383b28eed92c2d762433f1","after_hash":"ccc3fad9d7359c27930aed280b4835c4562fdf88a507cc4fdc162dbf39678b5d","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"69669e7948568e3b8776318cc7d21c3e694b21c45799c63ba2950d06d27a28b4"}
 {"hash_algorithm":"sha256","ts":"2026-10-28T06:37:30.802Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6.1-sol","agent_model_source":"probe","agent_instance":"525eee5e83a0bb4065087287","agent_provenance":{"model":{"value":"gpt-6.1-sol","source":"probe"},"effort":{"value":"xhigh","source":"probe"},"role":{"value":"release-operator","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1614","release:pm-serial-cold-gates"]},"topic":{"value":"pm-gh1614","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1614","release:pm-serial-cold-gates"]}},"op":"update","patch":[{"op":"replace","path":"/metadata/actual_result","value":"October28 morning Auto Release40628452727 and Release40631211289 succeed. Exactly v2026.10.28 is published; independent registry integrity, actual npx/bunx, all bins, MCP Skills/Apps and HTTP acceptance pass. This immutable release precedes PR1616 SDK changes. Fresh real read spans are accepted/indexed in Sentry; required observability gate passes with zero unresolved issues, zero missing error codes and5.91percent finish-error rate. Recent installation-scoped telemetry has28 matched starts/finishes, zero settled mismatches and empty broker queue. Historical reliability remains separate."},{"op":"replace","path":"/metadata/expected_result","value":"At October29 06:00UTC verify the next eligible daily cut against the latest merged delivery, including tag/npm identity, npm/Bun/npx/bunx consumers and fresh observability; preserve original reliability outcomes."},{"op":"replace","path":"/metadata/reminders/0/text","value":"Verify the next eligible daily release and supported consumers after PR1616"},{"op":"replace","path":"/metadata/reminders/0/at","value":"2026-10-29T06:00:00.000Z"},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T06:37:30.802Z"}],"before_hash":"ccc3fad9d7359c27930aed280b4835c4562fdf88a507cc4fdc162dbf39678b5d","after_hash":"55f24aef136ba29df0de8be3a39b05ccb834e29cce2a5db3c3bce65267d85e1f","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"maintenance","record_hash_version":1,"record_hash":"da853af52487f8305cf57102e9199b5aa2825c355b03bacf52fe00195727ec99"}
 {"hash_algorithm":"sha256","ts":"2026-10-28T06:37:31.561Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6.1-sol","agent_model_source":"probe","agent_instance":"525eee5e83a0bb4065087287","agent_provenance":{"model":{"value":"gpt-6.1-sol","source":"probe"},"effort":{"value":"xhigh","source":"probe"},"role":{"value":"release-operator","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1614","release:pm-serial-cold-gates"]},"topic":{"value":"pm-gh1614","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1614","release:pm-serial-cold-gates"]}},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/247","value":{"created_at":"2026-10-28T06:37:31.561Z","author":"harness:codex","text":"Serviced the October28 release-health occurrence after its06:00UTC instant: successful parent/child workflows and the independent published2026.10.28 consumer receipt are verified. Replaced its sole reminder with October29 06:00UTC for the next eligible post-delivery cut. PR1616 remains under review; do not describe its SDK fixes as included in the already immutable October28 publication. No second automatic or manual release was requested by this continuation."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T06:37:31.561Z"}],"before_hash":"55f24aef136ba29df0de8be3a39b05ccb834e29cce2a5db3c3bce65267d85e1f","after_hash":"77b4ded86b6b56f5d735fdce46f18625ebd9ed5670349ff282f70b684151d3f0","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"1185c234fd444cbcce7376dcfd94f627bc36ee905957c4c7d8b78c4351a40df2"}
+{"hash_algorithm":"sha256","ts":"2026-10-28T15:37:36.031Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6-astra","agent_model_source":"probe","agent_instance":"738f7d9b84aae278517b105a","agent_provenance":{"model":{"value":"gpt-6-astra","source":"probe"},"effort":{"value":"high","source":"probe"},"role":{"value":"implementer","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1603","claim:pm-gh1617","lineage:pm-gh1603","lineage:pm-mpbb","lineage:pm-doxj"]},"topic":{"value":"workset:pm-gh1603+pm-gh1617","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1603","claim:pm-gh1617","lineage:pm-gh1603","lineage:pm-mpbb","lineage:pm-doxj"]}},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/248","value":{"created_at":"2026-10-28T15:37:36.031Z","author":"harness:codex","text":"Live October28 release evidence: v2026.10.28 publisher run40631211289 succeeded. Morning dispatcher40628452727 and native scheduled run40660287046 succeeded, with one immutable base-day tag. Repository verify-published-release.mjs --version2026.10.28 exits0, confirming public npm/npx/Bun/bunx consumers and GitHub publication. Current context-read changes postdate this release and are not published by it. The pending next-day reminder and reliability history remain separate."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T15:37:36.031Z"}],"before_hash":"77b4ded86b6b56f5d735fdce46f18625ebd9ed5670349ff282f70b684151d3f0","after_hash":"91301a92eab94b3cad28f6a649b5a14d527379faef22e2baaff705b37266d295","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"e03b69f02685dce40222f6508464cdaf54e6876f7f24bdde112640018319466e"}
+{"hash_algorithm":"sha256","ts":"2026-10-28T15:49:25.843Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6-astra","agent_model_source":"probe","agent_instance":"738f7d9b84aae278517b105a","agent_provenance":{"model":{"value":"gpt-6-astra","source":"probe"},"effort":{"value":"high","source":"probe"},"role":{"value":"implementer","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1603","claim:pm-gh1617","lineage:pm-gh1603","lineage:pm-mpbb","lineage:pm-doxj"]},"topic":{"value":"workset:pm-gh1603+pm-gh1617","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1603","claim:pm-gh1617","lineage:pm-gh1603","lineage:pm-mpbb","lineage:pm-doxj"]}},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/249","value":{"created_at":"2026-10-28T15:49:25.842Z","author":"harness:codex","text":"Latest Release Reliability run40713600220 remains red at the rolling nightly recurrence step even though the publisher and public consumer verifier succeeded. The measurement implementation owner pm-2zjs0g is closed and remains completed. Historical original-attempt failures and sample sufficiency are not erased by current successful release evidence; retained GitHub nightly issue lineages remain linked."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T15:49:25.843Z"}],"before_hash":"91301a92eab94b3cad28f6a649b5a14d527379faef22e2baaff705b37266d295","after_hash":"b4d57c9ef690b0f47d4ba4c7faf029513c70236dbe3855340db54adebae3b204","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"64db467a81961e08e880acc99a9258589876cb7169e8eb0104f95aae098efad3"}
diff --git a/.agents/pm/history/pm-bj7rq0.jsonl b/.agents/pm/history/pm-bj7rq0.jsonl
index 7569e5b1e..f3b04e1e7 100644
--- a/.agents/pm/history/pm-bj7rq0.jsonl
+++ b/.agents/pm/history/pm-bj7rq0.jsonl
@@ -176,3 +176,6 @@
 {"hash_algorithm":"sha256","ts":"2026-10-28T06:51:20.268Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6.1-sol","agent_model_source":"probe","agent_instance":"525eee5e83a0bb4065087287","agent_provenance":{"model":{"value":"gpt-6.1-sol","source":"probe"},"effort":{"value":"xhigh","source":"probe"},"role":null,"topic":null},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/112","value":{"created_at":"2026-10-28T06:51:20.268Z","author":"harness:codex","text":"Final local requalification completes pnpm quality:static with exit0 on the same array-isolation production source, including the unchanged transport floor and subsequent graph/record/mutation gates. Earlier qualified failures and the Btrfs controls remain failed historical observations; do not rewrite them as runner refusals or claim an established cause. The SDK source revision has full11519-test exact100coverage and fresh packed/linked proof; final hosted admission remains a delivery gate."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T06:51:20.268Z"}],"before_hash":"a259d5fb20af60608e46b9224abce180f2fac683cd9ca708ce0dede7b4c4eec2","after_hash":"eedd6c79daa826b214e6fe6852afd23512b799037579059cbd0dd980884ad1fa","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"af8ea8a6e0fd3be96c9f7c8b5d4fa22ed153f57cbd018ddeed7edeb3926b5696"}
 {"hash_algorithm":"sha256","ts":"2026-10-28T14:38:46.781Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6.1-sol","agent_model_source":"probe","agent_instance":"525eee5e83a0bb4065087287","agent_provenance":{"model":{"value":"gpt-6.1-sol","source":"probe"},"effort":{"value":"xhigh","source":"probe"},"role":{"value":"implementer","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1606","lineage:pm-gh1606","lineage:pm-9rgaal","lineage:pm-doxj"]},"topic":{"value":"pm-gh1606","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1606","lineage:pm-gh1606","lineage:pm-9rgaal","lineage:pm-doxj"]}},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/113","value":{"created_at":"2026-10-28T14:38:46.780Z","author":"harness:codex","text":"PR #1616 recurrence-validation static qualification passed the dependency, import-cost, schema, grammar, refusal, token, tracker and gate-registry stages but the qualified Node24 transport sample failed unchanged product limits: get369>362ms, next455>440ms, create430>398ms and claim419>415ms; control median68ms<=106ms, host load5.7/10.54/10.63 on8 CPUs. Preserve this as a failed local admission, alongside the earlier variable samples and exact-head hosted checks. npm/Bun packed probes finished before the transport sample. No timeout, retry, qualification threshold or product budget changed; a focused recheck and remaining independent gates follow."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T14:38:46.781Z"}],"before_hash":"eedd6c79daa826b214e6fe6852afd23512b799037579059cbd0dd980884ad1fa","after_hash":"84641fd1bcbc0a662d849d5c09399ddce04bb035bf36909b6b4a0a4effbcdf7e","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"39e402fb0b7b5308bc36a0a297256905d2f9f585ef02fcec12509124a6eb822f"}
 {"hash_algorithm":"sha256","ts":"2026-10-28T14:40:08.780Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6.1-sol","agent_model_source":"probe","agent_instance":"525eee5e83a0bb4065087287","agent_provenance":{"model":{"value":"gpt-6.1-sol","source":"probe"},"effort":{"value":"xhigh","source":"probe"},"role":{"value":"implementer","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1606","lineage:pm-gh1606","lineage:pm-9rgaal","lineage:pm-doxj"]},"topic":{"value":"pm-gh1606","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1606","lineage:pm-gh1606","lineage:pm-9rgaal","lineage:pm-doxj"]}},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/114","value":{"created_at":"2026-10-28T14:40:08.780Z","author":"harness:codex","text":"The focused unchanged-budget recheck also failed qualified admission (control52<=106ms): get534>362, context437>433, next495>440, create431>398, claim462>415ms; host load increased4.91->7.94. Keep both failures visible and do not retry until green or represent old static evidence as qualifying the recurrence revision. Exact revised-head hosted performance/static qualification is required before merge; this open owner retains the local timing/qualification problem."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T14:40:08.780Z"}],"before_hash":"84641fd1bcbc0a662d849d5c09399ddce04bb035bf36909b6b4a0a4effbcdf7e","after_hash":"16296cc3fcdd077579552298fddfbe63ae5840eacae3844215fd773742fe9403","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"8351e1d8237d8acaa2a80b27b8700514375edfb188ab39ec3f88500e7569a582"}
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+{"hash_algorithm":"sha256","ts":"2026-10-28T16:47:40.865Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6-astra","agent_model_source":"probe","agent_instance":"738f7d9b84aae278517b105a","agent_provenance":{"model":{"value":"gpt-6-astra","source":"probe"},"effort":{"value":"high","source":"probe"},"role":null,"topic":null},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/116","value":{"created_at":"2026-10-28T16:47:40.865Z","author":"harness:codex","text":"Current branch local static checks reached the unchanged CLI transport-floor gate and failed on a qualified Node 26.12.1 runner (best list 471ms vs 419ms, context 466ms vs 433ms, next 480ms vs 440ms, create 448ms vs 398ms, claim 557ms vs 415ms). Do not interpret earlier focused test success as admission. Comparing untouched main separately; required hosted Node 24 static admission remains authoritative for this delivery."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T16:47:40.865Z"}],"before_hash":"9efbb61564cad16f2299de8edcbd36f5799133955a7766e67af463bd839a25da","after_hash":"ca29e59a6efe0a7e1d7529bae8b90b21c8d45215fed0dd3f876c7bb3dca20d8f","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"ea0e3c687afe9642248aa22836f5c7f1e3163ae35518e43b1e4e8752bca54a6e"}
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diff --git a/.agents/pm/history/pm-gh1603.jsonl b/.agents/pm/history/pm-gh1603.jsonl
index 374515bb2..dd18d5b9c 100644
--- a/.agents/pm/history/pm-gh1603.jsonl
+++ b/.agents/pm/history/pm-gh1603.jsonl
@@ -1 +1,18 @@
 {"hash_algorithm":"sha256","ts":"2026-10-26T15:33:34.776Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6.1-sol","agent_model_source":"probe","agent_instance":"9a3d0027739dfadbcc41b040","agent_provenance":{"model":{"value":"gpt-6.1-sol","source":"probe"},"effort":{"value":"xhigh","source":"probe"},"role":{"value":"implementer","source":"argv"},"topic":null},"op":"create","patch":[{"op":"add","path":"/metadata/id","value":"pm-gh1603"},{"op":"add","path":"/metadata/title","value":"GH-1603: Reduce null agenda fields and escaped tag overhead in bounded context output"},{"op":"add","path":"/metadata/description","value":"## Problem\n\n`pm context` is the first command an agent runs, and its brief depth runs under a 1,600-token budget. Two encodings in that budget carry no information:\n\n1. **Null event fields on every agenda entry.** A plain deadline entry prints 8 `event_*` keys that only calendar events use, all `null`:\n\n   ```\n   events[1]:\n     - at: \"2026-11-01T00:00:00.000Z\"\n       date: 2026-11-01\n       kind: deadline\n       reminder_text: null\n       event_title: null\n       event_end: null\n       event_location: null\n       event_all_day: null\n       event_timezone: null\n       event_recurring: null\n       event_recurrence_rule: null\n       item_id: ...\n   ```\n\n   That is about 200 bytes per deadline or reminder. A tracker with 10 upcoming deadlines spends about 2 KB of a 6.4 KB brief response on nulls.\n\n2. **Tags as backslash-escaped JSON inside tabular rows.** `high_level[]` declares `json_columns: [tags]`, and each row then carries `\"[\\\"automation\\\",\\\"ci\\\",\\\"fleet\\\",\\\"release\\\"]\"`. On a real 1,300-item tracker, one `pm context --limit 10` response held 74 `\\\"` escapes, about 3% of the output, and agents have to unescape twice to read the tags.\n\n## Repro (pm-cli 2026.10.26)\n\n```bash\npm create --type Chore --title \"deadline probe\" --deadline 2026-11-01\npm context --limit 10 | grep -A12 '^  events'\npm context --limit 10 | grep -o '\\\\\"' | wc -l\n```\n\n## Proposal\n\n- Agenda entries omit `event_*` keys whose value is null (or only emit them for `kind: event`), at least at `brief` and `standard` depth. `--format json` and `--depth full` can keep the full shape for schema-stable consumers.\n- Tabular array columns use a delimiter-joined scalar that needs no escaping, declared once in the encoding header (e.g. `list_columns: {tags: \";\"}` → `automation;ci;fleet;release`). Tag values that contain the delimiter would fall back to the current JSON form.\n\nBoth changes keep the projection lossless and shrink the response that every agent session starts with.\n\n\nImplementation boundary: reproduce against the published and current hosts in an isolated tracker. Preserve SDK and full JSON data semantics, tabular codec round trips, receipts and output-budget accounting. Evaluate compact list encoding with explicit metadata and an unambiguous fallback; a delimiter proposal is not an accepted wire contract. Completed agenda deduplication and lossless JSON fixes remain delivered."},{"op":"add","path":"/metadata/type","value":"Issue"},{"op":"add","path":"/metadata/status","value":"open"},{"op":"add","path":"/metadata/priority","value":2},{"op":"add","path":"/metadata/tags","value":["agent-ux","context","github","output","sdk"]},{"op":"add","path":"/metadata/created_at","value":"2026-10-26T15:33:34.776Z"},{"op":"add","path":"/metadata/updated_at","value":"2026-10-26T15:33:34.776Z"},{"op":"add","path":"/metadata/author","value":"harness:codex"},{"op":"add","path":"/metadata/estimated_minutes","value":120},{"op":"add","path":"/metadata/acceptance_criteria","value":"Native isolated deadline/reminder/event fixtures measure the actual byte and token reduction at brief and standard depth without weakening full JSON or SDK facts.; Tags round-trip through declared compact encoding with empty arrays, delimiters, commas, quotes, escapes, newlines and Unicode; ambiguous inputs retain a lossless fallback.; Serializer-aware whole-envelope budgets, omission receipts and CLI/MCP/SDK parity remain executable and unchanged."},{"op":"add","path":"/metadata/parent","value":"pm-mpbb"},{"op":"add","path":"/metadata/risk","value":"medium"},{"op":"add","path":"/metadata/confidence","value":"medium"},{"op":"add","path":"/metadata/expected_result","value":"Brief and standard context output spend their budget on useful facts while full JSON and published SDK contracts preserve exact null, empty, tag and calendar facts."},{"op":"add","path":"/metadata/dependencies","value":[{"id":"pm-4euctr","kind":"related","created_at":"2026-10-26T15:33:34.776Z","author":"harness:codex","source_kind":"cli:create:dep","author_source":"detected"},{"id":"pm-5y05kq","kind":"related","created_at":"2026-10-26T15:33:34.776Z","author":"harness:codex","source_kind":"cli:create:dep","author_source":"detected"},{"id":"pm-6m1i","kind":"related","created_at":"2026-10-26T15:33:34.776Z","author":"harness:codex","source_kind":"cli:create:dep","author_source":"detected"}]},{"op":"add","path":"/metadata/comments","value":[{"created_at":"2026-10-26T15:33:34.776Z","author":"harness:codex","text":"Duplicate check: fresh measured orientation, request-specific agenda and TOON searches, open and in-progress inventories, and complete strict 3125-item all-status corpus found no open owner for this exact proposal. Full live data and histories confirm pm-6m1i, pm-4euctr and pm-5y05kq are completed related work; keep them closed. GH1603 arrived during PR1596 validation and is intake only, open and unclaimed."}]},{"op":"add","path":"/metadata/escape_class","value":"production_defect"}],"before_hash":"3cc22dff72be7b14824654a7a64ea62b04799939b2fee54c1b5f52ca60bf6df0","after_hash":"f66c538b639f0bbbfd3094e58d0937b6a7f17240c0b7005e3aa5d9e618d0bd64","item_hash_version":3,"message":"","context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"e7fa4d541d994c9dbf9fbf8093b6f22e4c7cd5ca3278e930c4e061abcd18f7c8"}
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diff --git a/.agents/pm/history/pm-gh1617.jsonl b/.agents/pm/history/pm-gh1617.jsonl
new file mode 100644
index 000000000..7e153dc2b
--- /dev/null
+++ b/.agents/pm/history/pm-gh1617.jsonl
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diff --git a/.agents/pm/history/pm-gh1618.jsonl b/.agents/pm/history/pm-gh1618.jsonl
new file mode 100644
index 000000000..e34d1f050
--- /dev/null
+++ b/.agents/pm/history/pm-gh1618.jsonl
@@ -0,0 +1,2 @@
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A host cron appends one comment to it every hour; it has 161 comments. Two **P0** issues, both open, unblocked and unassigned, rank 9th and 17th, behind six P1 items.\n\n`pm next --json --explain-ranking` shows why:\n\n| id | priority | baseline_rank | final rank | recency | activity_density | priority_pressure |\n|---|---|---|---|---|---|---|\n| audit-log task | P2 | 35 | **1** | 0.342 (hourly `comment_add`, classed `substantive`) | **0.25** | 0.175 |\n| P1 feature | P1 | 11 | 2 | 0.291 | 0.030 | 0.262 |\n| P0 issue | P0 | — | 9 | — | — | — |\n\n`recency` takes its coordinate from the latest `comment_add`, classed `event_class: substantive`. `activity_density` counts comments. So machine-written log comments outweigh priority, and a P0 incident loses to a log that grows by itself.\n\n**Why it matters for agents:** an agent that follows `pm next` (the documented \"what now?\" entry point) works on the wrong item and never gets to the P0 work. It also costs a second query and manual re-ranking to notice. Any tracker with an automation that comments regularly (CI receipts, updater runs, sync bots) has the same problem.\n\n**Expected (any of these would fix it):**\n1. Treat priority as a floor: a ready P0 always ranks above ready P1/P2 unless a caller-declared intent says otherwise. The help text promises this.\n2. Don't count automated or append-only comment churn as substantive recency or activity. For example, classify comments by `author_source` / harness, or let an item be declared non-actionable/log so it never becomes `recommended`.\n3. In the default (non-explain) output, give the reason a lower-priority item outranks a higher-priority one (`reasons` currently shows just `p2`), so an agent can see why the recommendation isn't the highest priority.\n\nRelated: #513 (ready queue not priority-ordered, closed). This is the scorer variant of it: the queue is now ranked, but by signals that automation can inflate.\n\n\nIntake only: reproduce against the current public SDK before selecting a ranking policy. Preserve custom project scoring and explicit intent while reconciling the default recommendation with its documented priority contract."},{"op":"add","path":"/metadata/type","value":"Issue"},{"op":"add","path":"/metadata/status","value":"open"},{"op":"add","path":"/metadata/priority","value":1},{"op":"add","path":"/metadata/tags","value":["agent-ux","context","github","ranking","sdk"]},{"op":"add","path":"/metadata/created_at","value":"2026-10-28T16:11:10.969Z"},{"op":"add","path":"/metadata/updated_at","value":"2026-10-28T16:11:10.969Z"},{"op":"add","path":"/metadata/author","value":"harness:codex"},{"op":"add","path":"/metadata/estimated_minutes","value":120},{"op":"add","path":"/metadata/acceptance_criteria","value":"Reproduce a ready P0 population competing with automated P2 comment churn;Define explicit default and caller-customizable ranking policy;Verify explanations and SDK CLI MCP parity with bounded token costs"},{"op":"add","path":"/metadata/parent","value":"pm-4k6b"},{"op":"add","path":"/metadata/expected_result","value":"Default next-work advice cannot silently elevate an automated P2 log above ready P0 work; documented policy and ranking explanations match tested behavior."},{"op":"add","path":"/metadata/dependencies","value":[{"id":"pm-07pt16","kind":"related","created_at":"2026-10-28T16:11:10.969Z","author":"harness:codex","source_kind":"cli:create:dep","author_source":"detected"},{"id":"pm-1mwk","kind":"related","created_at":"2026-10-28T16:11:10.969Z","author":"harness:codex","source_kind":"cli:create:dep","author_source":"detected"}]},{"op":"add","path":"/metadata/comments","value":[{"created_at":"2026-10-28T16:11:10.969Z","author":"harness:codex","text":"Duplicate check: complete initial strict3146-item all-status corpus plus fresh specific searches and open/in-progress inventories found no existing owner for GH1618. Read full live pm-4k6b and completed pm-1mwk/pm-07pt16 lineage. This new report arrived during PR1619 validation and remains open/unclaimed; no reproduction or fix is asserted."}]},{"op":"add","path":"/metadata/escape_class","value":"production_defect"}],"before_hash":"3cc22dff72be7b14824654a7a64ea62b04799939b2fee54c1b5f52ca60bf6df0","after_hash":"b5a731d9b52fd9a383161a2d48be19666ea8bd0e4c7d6af770a1a66d7fb02336","item_hash_version":3,"message":"","context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"113ee881cc8aca8863fdea7546c6cdb09c4598862617011c3fca8ddba882b746"}
+{"hash_algorithm":"sha256","ts":"2026-10-28T16:43:22.482Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6-astra","agent_model_source":"probe","agent_instance":"738f7d9b84aae278517b105a","agent_provenance":{"model":{"value":"gpt-6-astra","source":"probe"},"effort":{"value":"high","source":"probe"},"role":{"value":"implementer","source":"argv"},"topic":null},"op":"update","patch":[{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T16:43:22.482Z"},{"op":"add","path":"/metadata/risk","value":"medium"},{"op":"add","path":"/metadata/confidence","value":60}],"before_hash":"b5a731d9b52fd9a383161a2d48be19666ea8bd0e4c7d6af770a1a66d7fb02336","after_hash":"2f30355e6746066bee0e55104c3241a442fb9975e9404cbc1a2cdb24e22cf519","item_hash_version":3,"message":"Complete intake scoring metadata: reported recommendation risk is medium; confidence 60 pending local reproduction.","context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"1cc0fc12ddca879dbc2755200394fa7cac19d52835acdd89746467eb2efac2a3"}
diff --git a/.agents/pm/history/pm-ogzvx6.jsonl b/.agents/pm/history/pm-ogzvx6.jsonl
index 6e9f28cd5..ec6192eab 100644
--- a/.agents/pm/history/pm-ogzvx6.jsonl
+++ b/.agents/pm/history/pm-ogzvx6.jsonl
@@ -2,3 +2,4 @@
 {"hash_algorithm":"sha256","ts":"2026-10-27T22:25:22.661Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6.1-sol","agent_model_source":"probe","agent_instance":"525eee5e83a0bb4065087287","agent_provenance":{"model":{"value":"gpt-6.1-sol","source":"probe"},"effort":{"value":"xhigh","source":"probe"},"role":{"value":"implementer","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1606","claim:pm-gh1614","lineage:pm-gh1606","lineage:pm-9rgaal","lineage:pm-doxj"]},"topic":{"value":"workset:pm-gh1606+pm-gh1614","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1606","claim:pm-gh1614","lineage:pm-gh1606","lineage:pm-9rgaal","lineage:pm-doxj"]}},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/1","value":{"created_at":"2026-10-27T22:25:22.658Z","author":"harness:codex","text":"Primary public-registry metadata confirms latest SentryCLI3.8.2 age5.47days, marked18.1.2 age1.31days, TypeScriptESLint8.72.1 age1.22days, Stryker core+runner10.1.1 age4.13days, Knip6.43.0 age3.58days and Unicorn79 age4.24days. All are below seven days. Major owners remain pm-fokyhh for Vitest/coverage5.0.5 plus CodSpeed6.1.0, pm-t3jxjj for Sentry11, pm-do5b for TypeScript7 and pm-ksr40d for npm-package-arg14. Latest CodSpeed peers include Vitest5, as already recorded on its owner; compatibility/migration gates still need implementation. Current pnpm audit reports zero vulnerabilities across567 dependencies and GitHub has zero open dependency alerts or update PRs. Keep this intake open/unclaimed; no dependency version or policy is changed in the SDK input PR."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-27T22:25:22.661Z"}],"before_hash":"ed441122db436a7e0507cb1bfd436465448905dd55764bb5622f8c24ed3eee23","after_hash":"4a2ceca34b21fd762a242c9507cfe8cd6966172bd23a76ec7d0c615ba0d0683c","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"beb9b416df4f0a4f9ca6d341aaf5ef1cce6ff025f69fc60a87a442493157c000"}
 {"hash_algorithm":"sha256","ts":"2026-10-27T23:28:22.212Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6.1-sol","agent_model_source":"probe","agent_instance":"525eee5e83a0bb4065087287","agent_provenance":{"model":{"value":"gpt-6.1-sol","source":"probe"},"effort":{"value":"xhigh","source":"probe"},"role":{"value":"implementer","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1606","claim:pm-gh1614","claim:pm-serial-cold-gates","lineage:pm-serial-cold-gates","lineage:pm-bj7rq0","lineage:pm-o87av6","lineage:pm-doxj"]},"topic":{"value":"workset:pm-gh1606+pm-gh1614+pm-serial-cold-gates","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1606","claim:pm-gh1614","claim:pm-serial-cold-gates","lineage:pm-serial-cold-gates","lineage:pm-bj7rq0","lineage:pm-o87av6","lineage:pm-doxj"]}},"op":"update","patch":[{"op":"replace","path":"/metadata/updated_at","value":"2026-10-27T23:28:22.212Z"},{"op":"add","path":"/metadata/expected_result","value":"Adopt only cooldown-eligible and contract-compatible tooling versions with synchronized lockfiles, zero advisories, and complete local and hosted validation."}],"before_hash":"4a2ceca34b21fd762a242c9507cfe8cd6966172bd23a76ec7d0c615ba0d0683c","after_hash":"40f59651d61e53865c042bc922161525370dec26605ce612e4ac4b223cf5d0fd","item_hash_version":3,"message":"Complete planned maintenance outcome required by tracker context quality gate.","context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"maintenance","record_hash_version":1,"record_hash":"69f8bb7585646a01491b86aa478769cbd9ca582cb626cd6691df8015fc80342d"}
 {"hash_algorithm":"sha256","ts":"2026-10-28T00:06:33.339Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6.1-sol","agent_model_source":"probe","agent_instance":"525eee5e83a0bb4065087287","agent_provenance":{"model":{"value":"gpt-6.1-sol","source":"probe"},"effort":{"value":"xhigh","source":"probe"},"role":{"value":"implementer","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1606","claim:pm-gh1614","claim:pm-serial-cold-gates","lineage:pm-serial-cold-gates","lineage:pm-bj7rq0","lineage:pm-o87av6","lineage:pm-doxj"]},"topic":{"value":"workset:pm-gh1606+pm-gh1614+pm-serial-cold-gates","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1606","claim:pm-gh1614","claim:pm-serial-cold-gates","lineage:pm-serial-cold-gates","lineage:pm-bj7rq0","lineage:pm-o87av6","lineage:pm-doxj"]}},"op":"update","patch":[{"op":"add","path":"/metadata/dependencies/1","value":{"id":"pm-do5b","kind":"related","created_at":"2026-10-28T00:06:33.019Z","author":"harness:codex","source_kind":"cli:update:dep","author_source":"detected"}},{"op":"add","path":"/metadata/dependencies/2","value":{"id":"pm-fokyhh","kind":"related","created_at":"2026-10-28T00:06:33.019Z","author":"harness:codex","source_kind":"cli:update:dep","author_source":"detected"}},{"op":"add","path":"/metadata/dependencies/3","value":{"id":"pm-ksr40d","kind":"related","created_at":"2026-10-28T00:06:33.019Z","author":"harness:codex","source_kind":"cli:update:dep","author_source":"detected"}},{"op":"add","path":"/metadata/dependencies/4","value":{"id":"pm-t3jxjj","kind":"related","created_at":"2026-10-28T00:06:33.019Z","author":"harness:codex","source_kind":"cli:update:dep","author_source":"detected"}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T00:06:33.339Z"}],"before_hash":"40f59651d61e53865c042bc922161525370dec26605ce612e4ac4b223cf5d0fd","after_hash":"de1af20c369717f04627754e9812e1149a39f393fb993988b97fdb7bdf6d9264","item_hash_version":3,"message":"Connect maintenance intake to its explicitly referenced separate major-migration owners; preserve their scopes and open states.","context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"maintenance","record_hash_version":1,"record_hash":"d8c9214a4990016efc7de634d5e2e1944ff4bc51921f3492dfb6e55fec175704"}
+{"hash_algorithm":"sha256","ts":"2026-10-28T15:37:34.581Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6-astra","agent_model_source":"probe","agent_instance":"738f7d9b84aae278517b105a","agent_provenance":{"model":{"value":"gpt-6-astra","source":"probe"},"effort":{"value":"high","source":"probe"},"role":{"value":"implementer","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1603","claim:pm-gh1617","lineage:pm-gh1603","lineage:pm-mpbb","lineage:pm-doxj"]},"topic":{"value":"workset:pm-gh1603+pm-gh1617","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1603","claim:pm-gh1617","lineage:pm-gh1603","lineage:pm-mpbb","lineage:pm-doxj"]}},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/2","value":{"created_at":"2026-10-28T15:37:34.581Z","author":"harness:codex","text":"Live October28 registry refresh: Sentry CLI3.8.2 age6.19days, marked18.1.2 age2.03days, typescript-eslint8.72.1 age1.93days, Stryker10.1.1 age4.84days, Greptile3.8.0 age1.71days, Knip6.43.0 age4.29days, Unicorn79 age4.96days and ext-apps2.0.4 age1.35days remain below seven-day cooldown. Existing major-migration owners remain separate. GitHub census finds zero open PRs and zero Dependabot, code-scanning or secret-scanning alerts. No dependency upgrade or policy bypass is justified in this context-read delivery."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T15:37:34.581Z"}],"before_hash":"de1af20c369717f04627754e9812e1149a39f393fb993988b97fdb7bdf6d9264","after_hash":"97f860473b2aef6132b4b5e2e893798e89d9793ffbdf9314529cf993300cdc9d","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"c9f9ab2fda9bc0307f439edc4b9b03a65cf57ad7268d076ff6dc5d1bcea9afc6"}
diff --git a/.agents/pm/history/pm-xq09zu.jsonl b/.agents/pm/history/pm-xq09zu.jsonl
index 8ca5b571a..cabbf8455 100644
--- a/.agents/pm/history/pm-xq09zu.jsonl
+++ b/.agents/pm/history/pm-xq09zu.jsonl
@@ -21,3 +21,6 @@
 {"hash_algorithm":"sha256","ts":"2026-10-27T18:00:27.403Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6.1-sol","agent_model_source":"probe","agent_instance":"4f9b0131c245b9f712c46790","agent_provenance":{"model":{"value":"gpt-6.1-sol","source":"probe"},"effort":{"value":"xhigh","source":"probe"},"role":{"value":"implementer","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1611","claim:pm-gh1613","claim:pm-vkckiv","claim:pm-wb25c1","lineage:pm-vkckiv","lineage:pm-qwoy","lineage:pm-doxj"]},"topic":{"value":"workset:pm-gh1611+pm-gh1613+pm-vkckiv+pm-wb25c1","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1611","claim:pm-gh1613","claim:pm-vkckiv","claim:pm-wb25c1","lineage:pm-vkckiv","lineage:pm-qwoy","lineage:pm-doxj"]}},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/11","value":{"created_at":"2026-10-27T18:00:27.403Z","author":"harness:codex","text":"Post-change live proof on c72930a7f: required Sentry/telemetry gate passes with0 blocking Sentry issues,5.56% weighted telemetry errors against unchanged6% and0 missing error-code rows. A fresh pm history root span appears at37.519ms. The corresponding17:48UTC start/finish rows are independently stored with0.705/0.348second ingest lag; later normal reads have2.2-4.6second lag. Services remain healthy; broker snapshot4events/1consumer and local status includes its own in-flight row, so this is not a universal queue-drain claim. Historical unmatched starts remain unresolved; no synthetic finishes or privacy/sampling changes were made."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-27T18:00:27.403Z"}],"before_hash":"1959f6be2579aaaa0a1461590fc7943fb97caff9d4f3b3efb516f2175f1fca88","after_hash":"e039039647a75a7d6fe2998ffa04da1332cb62673b37a34c083ad2151710b5d5","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"d8304be379b8bbc58d696de3fa1a50c3c521871aaaf83b466c91bfb34cca6266"}
 {"hash_algorithm":"sha256","ts":"2026-10-27T20:03:06.990Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6.1-sol","agent_model_source":"probe","agent_instance":"4f9b0131c245b9f712c46790","agent_provenance":{"model":{"value":"gpt-6.1-sol","source":"probe"},"effort":{"value":"xhigh","source":"probe"},"role":null,"topic":null},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/12","value":{"created_at":"2026-10-27T20:03:06.990Z","author":"harness:codex","text":"Fresh post-closeout proof: a real pm history root span is visible in Sentry at35.084ms. The matching19:55UTC command start/finish rows reached independent telemetry storage with0.485/0.709second ingest lag; later normal reads show1.8-2.1seconds. Stack services are healthy and the broker snapshot is0events with1consumer. Earlier unmatched-start cohorts are retained. The most recent completed required combined gate passed at5.56% errors against unchanged6%, with0missing-code rows and0blocking Sentry issues. A fresh rerun is pending after an earlier invocation was interrupted (exit143); interruption is not counted as success."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-27T20:03:06.990Z"}],"before_hash":"e039039647a75a7d6fe2998ffa04da1332cb62673b37a34c083ad2151710b5d5","after_hash":"864d40849214edcae3023d2b6aaadfe6260b96ae57916ea0b0f8cbff46717b51","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"ea602f22c92a4d8256ef2ba641aa4283a472408636d7a6fc96b1870327f94318"}
 {"hash_algorithm":"sha256","ts":"2026-10-27T20:14:11.408Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6.1-sol","agent_model_source":"probe","agent_instance":"4f9b0131c245b9f712c46790","agent_provenance":{"model":{"value":"gpt-6.1-sol","source":"probe"},"effort":{"value":"xhigh","source":"probe"},"role":null,"topic":null},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/13","value":{"created_at":"2026-10-27T20:14:11.407Z","author":"harness:codex","text":"Qualified completion: the unchanged required observability gate completed under Node24 with independently captured native child exit0 in222.12seconds. Complete fresh evidence reports0blocking Sentry issues, telemetry errors5.7% below the unchanged6% ceiling and0missing error-code rows. The earlier180second diagnostic bound was insufficient and was not success; prior wrapper exits143 are retained. No source, timeout inside the gate, threshold, privacy or sampling policy was changed. Current35.084ms root span and real0.485/0.709second event-ingest pair remain independently visible."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-27T20:14:11.408Z"}],"before_hash":"864d40849214edcae3023d2b6aaadfe6260b96ae57916ea0b0f8cbff46717b51","after_hash":"195ae6fbffa377d375aad32bd85a4d4e09bde792bab910d67e401da5b2416354","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"0a1d5fda769339c3425e78bc418e03c96bbb1ae60037fc22ceece934cb70a341"}
+{"hash_algorithm":"sha256","ts":"2026-10-28T15:41:10.735Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6-astra","agent_model_source":"probe","agent_instance":"738f7d9b84aae278517b105a","agent_provenance":{"model":{"value":"gpt-6-astra","source":"probe"},"effort":{"value":"high","source":"probe"},"role":{"value":"implementer","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1603","claim:pm-gh1617","lineage:pm-gh1603","lineage:pm-mpbb","lineage:pm-doxj"]},"topic":{"value":"workset:pm-gh1603+pm-gh1617","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1603","claim:pm-gh1617","lineage:pm-gh1603","lineage:pm-mpbb","lineage:pm-doxj"]}},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/14","value":{"created_at":"2026-10-28T15:41:10.734Z","author":"harness:codex","text":"October28 live evidence: required Sentry/telemetry gate reports zero blocking Sentry issues and zero missing-code rows, but seven-day finish error rate6.04percent exceeds unchanged6percent. Independent breakdown reports594304 finishes,35947 failures and6.03percent; most failures belong to existing command_failed/automation cohorts. Recent aggregate counts mostly pair with subsecond-to-two-second ingest lag; this is not per-invocation or historical completeness proof. Broker queue is empty and SDK flush drains local queue to zero bytes. Preserve the aggregate-rate failure separately from the context-read changes and prior unmatched-start investigation."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T15:41:10.735Z"}],"before_hash":"195ae6fbffa377d375aad32bd85a4d4e09bde792bab910d67e401da5b2416354","after_hash":"22e92fc2024ff5957a9657c157fb0075c38df06a6161c8adb0f4f2daf8de0e48","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"757cecb4a33efa17db57822bc2e6f6db78d97bad728620ee6beb84cf18c22f72"}
+{"hash_algorithm":"sha256","ts":"2026-10-28T16:25:11.915Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6-astra","agent_model_source":"probe","agent_instance":"738f7d9b84aae278517b105a","agent_provenance":{"model":{"value":"gpt-6-astra","source":"probe"},"effort":{"value":"high","source":"probe"},"role":{"value":"implementer","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1603","claim:pm-gh1617","lineage:pm-gh1603","lineage:pm-mpbb","lineage:pm-doxj"]},"topic":{"value":"workset:pm-gh1603+pm-gh1617","source":"inferred","confidence":"medium","rule_version":"v2","evidence":["claim:pm-gh1603","claim:pm-gh1617","lineage:pm-gh1603","lineage:pm-mpbb","lineage:pm-doxj"]}},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/15","value":{"created_at":"2026-10-28T16:25:11.915Z","author":"harness:codex","text":"Review correction: the independently quoted counts 35,947 / 594,304 equal 6.0486%, rounded 6.05%; the previous 6.03% label was incorrect. This correction does not change the separately sampled 6.04% gate verdict or its unchanged 6% threshold. The aggregate issue remains open."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T16:25:11.915Z"}],"before_hash":"22e92fc2024ff5957a9657c157fb0075c38df06a6161c8adb0f4f2daf8de0e48","after_hash":"6c4eeca25c8445d08cca616ac0ae5f4efc619333638f0598a3f0813cf8e85431","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"5e974082f7311ee03aec6e693a8f02feab86818058763a121b96e4bc2918521d"}
+{"hash_algorithm":"sha256","ts":"2026-10-28T17:20:25.176Z","author":"harness:codex","author_source":"detected","agent_harness":"codex","agent_model":"gpt-6-astra","agent_model_source":"probe","agent_instance":"738f7d9b84aae278517b105a","agent_provenance":{"model":{"value":"gpt-6-astra","source":"probe"},"effort":{"value":"high","source":"probe"},"role":null,"topic":null},"op":"comment_add","patch":[{"op":"add","path":"/metadata/comments/16","value":{"created_at":"2026-10-28T17:20:25.175Z","author":"harness:codex","text":"Post-change delivery probe at 2026-10-28 17:19 UTC: context command_start and successful command_finish were both persisted independently in the remote telemetry database with 0.855s and 0.709s ingestion lag. SDK flush completed and the remote queue had zero ready/unacknowledged messages. These current delivery facts do not clear the separately reported aggregate error-rate and historical pairing limitations."}},{"op":"replace","path":"/metadata/updated_at","value":"2026-10-28T17:20:25.176Z"}],"before_hash":"6c4eeca25c8445d08cca616ac0ae5f4efc619333638f0598a3f0813cf8e85431","after_hash":"d72befc1af2d0f3f2cfe3013a4fd342bf1182bd9c3010b1bd66d0242a523306a","item_hash_version":3,"context":{"agent_provenance_outcomes":{"model":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"effort":{"status":"resolved","resolver":"codex_session_file","rule_version":"v1"},"version":{"status":"unavailable","reason":"harness_unavailable","resolver":"ai_agent_version","rule_version":"v1"}}},"event_class":"substantive","record_hash_version":1,"record_hash":"93798229f6700cf376bec66321d0de5a46191f9aeddee58c4aba66485419c921"}
diff --git a/.agents/pm/issues/pm-bj7rq0.toon b/.agents/pm/issues/pm-bj7rq0.toon
index d99866493..6ede14f5a 100644
--- a/.agents/pm/issues/pm-bj7rq0.toon
+++ b/.agents/pm/issues/pm-bj7rq0.toon
@@ -6,7 +6,7 @@ status: open
 priority: 2
 tags: []
 created_at: "2026-09-28T06:20:35.648Z"
-updated_at: "2026-10-28T14:40:08.780Z"
+updated_at: "2026-10-28T16:49:31.727Z"
 author: "harness:codex"
 estimated_minutes: 240
 acceptance_criteria: Reproduce with recorded runtime and runner-pressure evidence on an isolated supported environment and compare the unchanged base revision; Classify runner qualification separately from product admission without treating failed or unavailable measurements as passes; Fix only the demonstrated cause and preserve every latency and RSS ratchet unless an explicitly reviewed platform correction is supported; Add positive and negative regression controls proving real command regressions still fail and any runner refusal is explicit
@@ -22,7 +22,7 @@ dependencies[6]{id,kind,created_at,author,source_kind,author_source}:
   pm-jm7m3o,related,"2026-10-19T13:23:49.412Z","harness:codex","cli:update:dep",detected
   pm-58zon0,related,"2026-10-19T14:07:58.070Z","harness:codex","cli:update:dep",detected
   pm-2zjs0g,related,"2026-10-20T16:26:25.937Z","harness:codex","cli:update:dep",detected
-comments[115]:
+comments[118]:
   - created_at: "2026-09-28T06:20:35.648Z"
     author: "harness:codex"
     text: "text: Duplicate check 2026-09-28: inspected the complete all-status corpus for startup, latency, entrypoint and benchmark owners and ran the live all-status CLI startup budget search. The completed transport-floor owner pm-yse5dt remains closed: its ten-sample implementation is present. The completed SDK cold-cache sampling fix is a different admission boundary and does not establish this failure mechanism. No active individual issue owns the repeated transport admission failures observed in this review. The existing scale outcome pm-o87av6 remains the parent."
@@ -370,6 +370,15 @@ comments[115]:
   - created_at: "2026-10-28T14:40:08.780Z"
     author: "harness:codex"
     text: "The focused unchanged-budget recheck also failed qualified admission (control52<=106ms): get534>362, context437>433, next495>440, create431>398, claim462>415ms; host load increased4.91->7.94. Keep both failures visible and do not retry until green or represent old static evidence as qualifying the recurrence revision. Exact revised-head hosted performance/static qualification is required before merge; this open owner retains the local timing/qualification problem."
+  - created_at: "2026-10-28T16:28:14.540Z"
+    author: "harness:codex"
+    text: "2026-10-28 validation evidence on Node 26.12.1: full coverage reached 11520 passing tests but failed packed continuation because npm/package.json was not resolvable and scale benchmark at unchanged 30-second timeout. Focused rerun with NODE_PATH set to npm root -g passed both (packed Node/Bun continuation and 28.465-second benchmark). No test timeout or gate threshold changed; this does not claim a successful full coverage run."
+  - created_at: "2026-10-28T16:47:40.865Z"
+    author: "harness:codex"
+    text: "Current branch local static checks reached the unchanged CLI transport-floor gate and failed on a qualified Node 26.12.1 runner (best list 471ms vs 419ms, context 466ms vs 433ms, next 480ms vs 440ms, create 448ms vs 398ms, claim 557ms vs 415ms). Do not interpret earlier focused test success as admission. Comparing untouched main separately; required hosted Node 24 static admission remains authoritative for this delivery."
+  - created_at: "2026-10-28T16:49:31.726Z"
+    author: "harness:codex"
+    text: "Untouched-main comparison completed from git archive of 0194b37689531155b105a614874cc26131e36a60 in an isolated build using the same dependencies/runtime. The unchanged transport-floor also fails on a qualified runner: get 407ms > 362ms, context 454ms > 433ms, next 475ms > 440ms, create 455ms > 398ms, claim 487ms > 415ms. This confirms an existing local admission failure, not a green baseline; thresholds remain unchanged and exact-head hosted gates must pass."
 files[12]:
   - path: .github/workflows/ci.yml
     scope: project
diff --git a/.agents/pm/issues/pm-gh1603.toon b/.agents/pm/issues/pm-gh1603.toon
index c87364232..e6a28b854 100644
--- a/.agents/pm/issues/pm-gh1603.toon
+++ b/.agents/pm/issues/pm-gh1603.toon
@@ -2,23 +2,75 @@ id: pm-gh1603
 title: "GH-1603: Reduce null agenda fields and escaped tag overhead in bounded context output"
 description: "## Problem\n\n`pm context` is the first command an agent runs, and its brief depth runs under a 1,600-token budget. Two encodings in that budget carry no information:\n\n1. **Null event fields on every agenda entry.** A plain deadline entry prints 8 `event_*` keys that only calendar events use, all `null`:\n\n   ```\n   events[1]:\n     - at: \"2026-11-01T00:00:00.000Z\"\n       date: 2026-11-01\n       kind: deadline\n       reminder_text: null\n       event_title: null\n       event_end: null\n       event_location: null\n       event_all_day: null\n       event_timezone: null\n       event_recurring: null\n       event_recurrence_rule: null\n       item_id: ...\n   ```\n\n   That is about 200 bytes per deadline or reminder. A tracker with 10 upcoming deadlines spends about 2 KB of a 6.4 KB brief response on nulls.\n\n2. **Tags as backslash-escaped JSON inside tabular rows.** `high_level[]` declares `json_columns: [tags]`, and each row then carries `\"[\\\"automation\\\",\\\"ci\\\",\\\"fleet\\\",\\\"release\\\"]\"`. On a real 1,300-item tracker, one `pm context --limit 10` response held 74 `\\\"` escapes, about 3% of the output, and agents have to unescape twice to read the tags.\n\n## Repro (pm-cli 2026.10.26)\n\n```bash\npm create --type Chore --title \"deadline probe\" --deadline 2026-11-01\npm context --limit 10 | grep -A12 '^  events'\npm context --limit 10 | grep -o '\\\\\"' | wc -l\n```\n\n## Proposal\n\n- Agenda entries omit `event_*` keys whose value is null (or only emit them for `kind: event`), at least at `brief` and `standard` depth. `--format json` and `--depth full` can keep the full shape for schema-stable consumers.\n- Tabular array columns use a delimiter-joined scalar that needs no escaping, declared once in the encoding header (e.g. `list_columns: {tags: \";\"}` → `automation;ci;fleet;release`). Tag values that contain the delimiter would fall back to the current JSON form.\n\nBoth changes keep the projection lossless and shrink the response that every agent session starts with.\n\n\nImplementation boundary: reproduce against the published and current hosts in an isolated tracker. Preserve SDK and full JSON data semantics, tabular codec round trips, receipts and output-budget accounting. Evaluate compact list encoding with explicit metadata and an unambiguous fallback; a delimiter proposal is not an accepted wire contract. Completed agenda deduplication and lossless JSON fixes remain delivered."
 type: Issue
-status: open
+status: closed
 priority: 2
 tags[5]: agent-ux,context,github,output,sdk
 created_at: "2026-10-26T15:33:34.776Z"
-updated_at: "2026-10-26T15:33:34.776Z"
+updated_at: "2026-10-28T17:21:59.330Z"
+closed_at: "2026-10-28T16:40:13.224Z"
+completed_at: "2026-10-28T16:40:13.224Z"
 author: "harness:codex"
 estimated_minutes: 120
 acceptance_criteria: "Native isolated deadline/reminder/event fixtures measure the actual byte and token reduction at brief and standard depth without weakening full JSON or SDK facts.; Tags round-trip through declared compact encoding with empty arrays, delimiters, commas, quotes, escapes, newlines and Unicode; ambiguous inputs retain a lossless fallback.; Serializer-aware whole-envelope budgets, omission receipts and CLI/MCP/SDK parity remain executable and unchanged."
 parent: pm-mpbb
 risk: medium
 confidence: medium
-expected_result: "Brief and standard context output spend their budget on useful facts while full JSON and published SDK contracts preserve exact null, empty, tag and calendar facts."
+resolution: The SDK table codec now supports safe string-list encoding and shared-null columns with explicit restoration metadata and column order. The CLI chooses the smallest complete lossless rendering; JSON and SDK facts remain unchanged.
+expected_result: "Reduce context tokens without losing agenda facts, sparse keys, nulls, empty lists, escaped values, or column positions."
+actual_result: "98 linked output tests pass; native deadline/reminder/scheduled-event fixtures round-trip and reduce tokens; arbitrary JSON and reserved-key cases pass; semantic negative control proves the new assertion fails when compact encoding is disabled. Typecheck and packed npx/bunx smoke pass. Exact-head hosted checks remain a required pre-merge gate; the earlier broad local run did not produce coverage after two host-sensitive failures, both passing in focused rerun."
 dependencies[3]{id,kind,created_at,author,source_kind,author_source}:
   pm-4euctr,related,"2026-10-26T15:33:34.776Z","harness:codex","cli:create:dep",detected
   pm-5y05kq,related,"2026-10-26T15:33:34.776Z","harness:codex","cli:create:dep",detected
   pm-6m1i,related,"2026-10-26T15:33:34.776Z","harness:codex","cli:create:dep",detected
-comments[1]{created_at,author,text}:
+comments[7]{created_at,author,text}:
   "2026-10-26T15:33:34.776Z","harness:codex","Duplicate check: fresh measured orientation, request-specific agenda and TOON searches, open and in-progress inventories, and complete strict 3125-item all-status corpus found no open owner for this exact proposal. Full live data and histories confirm pm-6m1i, pm-4euctr and pm-5y05kq are completed related work; keep them closed. GH1603 arrived during PR1596 validation and is intake only, open and unclaimed."
+  "2026-10-28T15:28:08.718Z","harness:codex","Implementation decision: retain exact SDK/JSON facts. Extend the public table codec with optional compact string-list and all-null-column metadata; renderer selects it only when smaller than existing lossless rendering. Empty members or delimiter collisions fall back to JSON for the entire column. Decode restores every null and array."
+  "2026-10-28T15:42:08.932Z","harness:codex","Red/green proof: initial codec fixture fails on unchanged source because list_columns is absent. Compact codec and public renderer now preserve null, sparse and reserved-key facts, empty lists, delimiter collisions and arbitrary JSON. Native deadline/reminder/calendar context at brief, standard and full depth restores exactly and uses fewer tokens. Linked context/rendering/read-output cohort passes98tests. Full coverage/static and hosted admission remain pending."
+  "2026-10-28T15:47:47.224Z","harness:codex","Current operational verification: all39open GitHub issues have corresponding PM-link comments after GH1617 intake. GitHub reports no open PRs or security alerts; dependency advisory gate passes all567locked packages. Published2026.10.28 verification succeeds and pm-changelog latest is2026.10.28. Fresh hosted Sentry trace7444d794cc3946aa8b212afa6f4d2284 records real pm context at15:41UTC with pm.command root,7858.93ms duration and no errors. Seven-day aggregate telemetry rate remains independently above its unchanged6percent ceiling; no clean aggregate claim is made."
+  "2026-10-28T16:28:11.878Z","harness:codex","Review remediation preserves first-occurrence column order when null columns are omitted, corrects earlier output documentation, and raises native agenda fixture limit to include/assert deadline, reminder, and scheduled event kinds. All 36 focused tests passed, including packed Node/Bun continuation and the previously timed-out scale benchmark with unchanged timeout. Packed npx/bunx smoke passed (9 packages). Broad local coverage remained unproven after its two host-sensitive failures; exact hosted coverage remains required."
+  "2026-10-28T17:20:23.552Z","harness:codex","Final source verification at 396f50b7c: full sandboxed coverage rerun completed with 879 passing files, 11522 passing tests and 3 platform skips. Statements, branches, functions and lines are exactly 100%, with zero uncovered counts. NODE_PATH exposed the installed npm module; no tests, timeouts or thresholds were weakened. CodeRabbit completed a fresh full review with no actionable findings, and Sourcery approved this head. Graph/record integrity and governed mutation checks pass; local transport-floor failure remains separately documented with an untouched-main comparison."
+  "2026-10-28T17:21:59.329Z","harness:codex","Hosted source admission: PR #1619 head 396f50b7c815c26f6042a3628082b401f845c46a is CLEAN with all required checks passing, zero unresolved threads and a passing exact-head analyzer gate. Both local exact coverage and hosted coverage are green for the implementation. Evidence-only follow-up commits remain subject to required checks before merge."
+learnings[1]{created_at,author,text}:
+  "2026-10-28T15:47:49.882Z","harness:codex","Lossless output compression must distinguish absent keys, explicit nulls, empty arrays and empty array members. Declare codec metadata and compare complete encoded bytes; never infer arrays by parsing arbitrary scalar cell text."
+files[4]{path,scope}:
+  sdk/public-surface.json,project
+  src/core/output/output.ts,project
+  src/sdk/output/table-rows.ts,project
+  tests/unit/sdk/output/table-rows.spec.ts,project
+tests[1]{command,scope,timeout_seconds,provenance{author,created_at,source_kind,source_ref}}:
+  node scripts/run-tests.mjs test -- tests/unit/sdk/output/table-rows.spec.ts tests/unit/core/output/output.spec.ts tests/unit/sdk/read-output-contracts.spec.ts,project,300,"harness:codex","2026-10-28T15:38:02.596Z",local_mutation,fix/context-read-contracts
+test_runs[2]:
+  - run_id: test-local-mvsa4s7s-o3ww2y
+    kind: test
+    status: passed
+    started_at: "2026-10-28T15:38:37.129Z"
+    finished_at: "2026-10-28T15:38:54.808Z"
+    recorded_at: "2026-10-28T15:38:54.808Z"
+    passed: 1
+    failed: 0
+    skipped: 0
+    executions[1]{command,requested_pm_context_mode,pm_context_mode,workspace_context_mode,trust_reason}:
+      node scripts/run-tests.mjs test -- tests/unit/sdk/output/table-rows.spec.ts tests/unit/core/output/output.spec.ts tests/unit/sdk/read-output-contracts.spec.ts,schema,schema,source,local_source_ref
+  - run_id: test-local-mvsbzegp-4gjtqs
+    kind: test
+    status: passed
+    started_at: "2026-10-28T16:30:16.117Z"
+    finished_at: "2026-10-28T16:30:42.936Z"
+    recorded_at: "2026-10-28T16:30:42.936Z"
+    passed: 1
+    failed: 0
+    skipped: 0
+    executions[1]{command,requested_pm_context_mode,pm_context_mode,workspace_context_mode,trust_reason}:
+      node scripts/run-tests.mjs test -- tests/unit/sdk/output/table-rows.spec.ts tests/unit/core/output/output.spec.ts tests/unit/sdk/read-output-contracts.spec.ts,schema,schema,source,local_source_ref
+docs[1]{path,scope}:
+  docs/OUTPUT_PROJECTION_CONTRACTS.md,project
+close_reason: Implemented and verified lossless compact context output; reviewed delivery is carried by PR #1619.
 escape_class: production_defect
+gate_evidence:
+  disposition: gate_strengthened
+  gate_id: lossless-context-cell-compaction
+  owner: pm-gh1603
+  local_checks[3]: node scripts/run-tests.mjs test -- tests/unit/sdk/query/history-recency.spec.ts tests/unit/sdk/output/table-rows.spec.ts,node scripts/run-tests.mjs coverage,"pnpm quality:static"
+  hosted_checks[2]: Gates (coverage),Gates (static)
+  negative_control: "node --input-type=module --eval 'import {execFileSync,spawnSync} from '\\''node:child_process'\\'';\nimport {existsSync,mkdtempSync,writeFileSync,readFileSync,symlinkSync,rmSync} from '\\''node:fs'\\'';\nimport os from '\\''node:os'\\'';import path from '\\''node:path'\\'';\nconst candidate='\\''beb4dc43b5993cb8b08d38f450930723c06faf30'\\'', unsafe='\\''0194b37689531155b105a614874cc26131e36a60'\\'';\nconst cases=[['\\''src/sdk/query/history.ts'\\'','\\''tests/unit/sdk/query/history-recency.spec.ts'\\'','\\''honors explicit display order for every projection and latest-entry window'\\'',\"to be '\\''oldest_first'\\''\"],['\\''src/sdk/output/table-rows.ts'\\'','\\''tests/unit/sdk/output/table-rows.spec.ts'\\'','\\''compacts agenda null columns and safe string lists with exact restoration'\\'','\\''expected undefined to deeply equal'\\'']];\nconst root=process.cwd(),tmp=mkdtempSync(path.join(os.tmpdir(),'\\''pm-context-negative-'\\''));\ntry {\nconst archive=path.join(tmp,'\\''source.tar'\\'');execFileSync('\\''git'\\'',['\\''archive'\\'','\\''--output='\\''+archive,candidate]);\nexecFileSync('\\''tar'\\'',['\\''--exclude=.agents/pm'\\'','\\''-xf'\\'',archive,'\\''-C'\\'',tmp]);\nsymlinkSync(path.join(root,'\\''node_modules'\\''),path.join(tmp,'\\''node_modules'\\''),'\\''junction'\\'');\nfor(const [source,test,title,fragment] of cases){\nconst fixed=execFileSync('\\''git'\\'',['\\''show'\\'',candidate+'\\'':'\\''+source],{encoding:'\\''utf8'\\''});\nconst needle=source.includes('\\''history.ts'\\'') ? '\\''const newestFirst = (options.order ?? (compact || options.provenance === true ? \"newest_first\" : \"oldest_first\")) === \"newest_first\";'\\'' : '\\''  const columns = [...new Set(rows.flatMap((row) => Object.keys(row)))];'\\'';\nconst replacement=source.includes('\\''history.ts'\\'') ? '\\''const newestFirst = limit === undefined && (compact || options.provenance === true);'\\'' : '\\''  options = {};\\n'\\''+needle;\nif(fixed.split(needle).length!==2)throw new Error('\\''Ambiguous mutation'\\'');\nwriteFileSync(path.join(tmp,source),fixed.replace(needle,replacement));\nconst report=path.join(tmp,'\\''negative.json'\\'');\nconst result=spawnSync(process.execPath,['\\''scripts/run-tests.mjs'\\'','\\''test'\\'','\\''--'\\'',test,'\\''-t'\\'',title,'\\''--reporter=json'\\'','\\''--outputFile='\\''+report],{cwd:tmp,env:{...process.env,PM_PATH:path.join(tmp,'\\''isolated-pm'\\''),PM_GLOBAL_PATH:path.join(tmp,'\\''isolated-global'\\'')},encoding:'\\''utf8'\\'',timeout:180000,maxBuffer:16777216});\nif(!existsSync(report))throw new Error(JSON.stringify({status:result.status,signal:result.signal,error:result.error,stdout:result.stdout?.slice(-5000),stderr:result.stderr?.slice(-5000)}));\nconst data=JSON.parse(readFileSync(report,'\\''utf8'\\''));const failures=data.testResults.flatMap(s=>s.assertionResults).filter(t=>t.status==='\\''failed'\\'');\nconst proven=result.status===1&&data.numFailedTests===1&&data.testResults.every(s=>s.message==='\\'''\\'')&&failures.length===1&&failures[0].title===title&&failures[0].failureMessages.some(m=>m.includes('\\''AssertionError'\\'')&&m.includes(fragment));\nconsole.log(JSON.stringify({candidate,unsafe,test:title,negative_control_proven:proven}));\nif(!proven){process.exitCode=3;break;}\nwriteFileSync(path.join(tmp,source),execFileSync('\\''git'\\'',['\\''show'\\'',candidate+'\\'':'\\''+source]));\n}\nif(process.exitCode!==3)process.exitCode=1;\n} catch(error){console.error(error);process.exitCode=3;}finally{rmSync(tmp,{recursive:true,force:true});}\n'"
 body: ""
diff --git a/.agents/pm/issues/pm-gh1617.toon b/.agents/pm/issues/pm-gh1617.toon
new file mode 100644
index 000000000..42d8a7ca5
--- /dev/null
+++ b/.agents/pm/issues/pm-gh1617.toon
@@ -0,0 +1,94 @@
+id: pm-gh1617
+title: "GH-1617: make history display order explicit and consistent across projections"
+description: "GitHub #1617 reports implicit history direction changes with limit and projection, breaking replay. Add a typed SDK/CLI/MCP order option with documented defaults, preserving latest-window selection, physical indices, diff alignment and continuation."
+type: Issue
+status: closed
+priority: 1
+tags[4]: agent-ux,github,history,sdk
+created_at: "2026-10-28T15:27:06.469Z"
+updated_at: "2026-10-28T17:21:58.393Z"
+closed_at: "2026-10-28T16:40:15.282Z"
+completed_at: "2026-10-28T16:40:15.282Z"
+author: "harness:codex"
+estimated_minutes: 100
+acceptance_criteria: SDK validates order before history reads;CLI and MCP expose identical ordering;Every projection aligns row and diff order across limits;Document defaults and chronological replay compatibility
+parent: pm-mpbb
+risk: low
+confidence: 95
+resolution: "Added oldest_first/newest_first display ordering after latest-N selection, preserving full-history chronological defaults and diff replay. CLI contracts, top-level MCP forwarding, valid schema examples, docs and SDK compatibility snapshot are aligned."
+expected_result: "Limits must not silently flip compact/provenance display order, and callers must be able to request chronological replay through every public transport."
+actual_result: "48 linked history tests pass, including the projection/limit/order matrix, physical diff coordinates, CLI and nested/top-level runtime requests. The pinned semantic negative control fails the intended ordering assertion. Typecheck and packed Node/Bun continuation pass. Exact-head hosted checks remain required before merge; full local coverage is not claimed."
+dependencies[1]{id,kind,created_at,author,source_kind,author_source}:
+  pm-gh1605,related,"2026-10-28T15:27:06.469Z","harness:codex","cli:create:dep",detected
+comments[6]{created_at,author,text}:
+  "2026-10-28T15:27:06.469Z","harness:codex","Duplicate check: complete strict 3146-item all-status corpus without omissions, history search and open/in-progress lists found no GH1617 owner. Completed pm-gh1605 remains closed; this is a display-contract follow-up."
+  "2026-10-28T15:28:07.749Z","harness:codex","Implementation decision: explicit order applies identically to compact, provenance and full rows plus value diffs. Preserve full/raw chronological default; compact/provenance default newest_first independent of limit. Document both defaults and require --order oldest_first for chronological compact replay. Latest-N selection remains independent of presentation."
+  "2026-10-28T15:42:07.989Z","harness:codex","Red/green proof: new persistent history fixture fails on unchanged source with newest_first versus requested oldest_first. Implemented explicit SDK validation and CLI/MCP enum, consistent latest-N presentation, aligned value diffs and documented compatibility. Linked history cohort passes48tests. Complete all-source coverage and static/current-head hosted admission remain pending."
+  "2026-10-28T16:25:14.752Z","harness:codex","CodeRabbit review found top-level MCP/runtime order was accepted by schema but not hoisted. Added forwarding and a top-level oldest_first regression alongside nested options coverage; corrected action-specific schema examples. Full local coverage run: 11520 passing, two failures (global npm module resolution and 30-second scale benchmark timeout); no coverage artifact produced, so no full-coverage pass is claimed."
+  "2026-10-28T17:20:24.309Z","harness:codex","Final source verification at 396f50b7c: all 11522 executed tests pass and exact coverage is 100/100/100/100. CodeRabbit completed the fresh full review without actionable comments; Sourcery approved this head. This supersedes the earlier incomplete local coverage observation while preserving its audit trail. Final hosted checks and analyzer provenance remain mandatory before merge."
+  "2026-10-28T17:21:58.392Z","harness:codex","Hosted source admission: PR #1619 head 396f50b7c815c26f6042a3628082b401f845c46a completed every required check with GitHub CLEAN, no pending or failed checks and zero unresolved review threads. The exact-head hosted analyzer gate also passed. This includes hosted static, coverage, Windows, Node/Bun consumer and security checks; later evidence-only commits still require their own required-check receipt before merge."
+notes[1]{created_at,author,text}:
+  "2026-10-28T15:47:48.508Z","harness:codex","Selection and presentation are separate contracts: limit chooses the latest matching entries; order chooses their display direction. Replay the complete authoritative chain before selecting value diffs so excluded updates still establish before-values."
+files[11]:
+  - path: sdk/public-surface.json
+    scope: project
+  - path: src/cli/help-content.ts
+    scope: project
+  - path: src/cli/register-list-query.ts
+    scope: project
+  - path: src/sdk/cli-contracts/flag-contracts.ts
+    scope: project
+  - path: src/sdk/cli-contracts/flag-lexicon-contracts.ts
+    scope: project
+  - path: src/sdk/cli-contracts/tool-parameter-tables.ts
+    scope: project
+  - path: src/sdk/cli-contracts/tool-schema.ts
+    scope: project
+  - path: src/sdk/query/history.ts
+    scope: project
+  - path: src/sdk/runtime-input.ts
+    scope: project
+    note: Forward_schema_valid_top_level_order
+  - path: tests/fixtures/contracts/full.json
+    scope: project
+  - path: tests/unit/sdk/query/history-recency.spec.ts
+    scope: project
+tests[1]{command,scope,timeout_seconds,provenance{author,created_at,source_kind,source_ref}}:
+  node scripts/run-tests.mjs test -- tests/unit/sdk/query/history-recency.spec.ts tests/unit/commands/history/history-activity-command.spec.ts,project,300,"harness:codex","2026-10-28T15:37:59.418Z",local_mutation,fix/context-read-contracts
+test_runs[2]:
+  - run_id: test-local-mvsa5avb-ywgwnf
+    kind: test
+    status: passed
+    started_at: "2026-10-28T15:38:56.219Z"
+    finished_at: "2026-10-28T15:39:18.983Z"
+    recorded_at: "2026-10-28T15:39:18.983Z"
+    passed: 1
+    failed: 0
+    skipped: 0
+    executions[1]{command,requested_pm_context_mode,pm_context_mode,workspace_context_mode,trust_reason}:
+      node scripts/run-tests.mjs test -- tests/unit/sdk/query/history-recency.spec.ts tests/unit/commands/history/history-activity-command.spec.ts,schema,schema,source,local_source_ref
+  - run_id: test-local-mvsbzxar-jjjhep
+    kind: test
+    status: passed
+    started_at: "2026-10-28T16:30:43.876Z"
+    finished_at: "2026-10-28T16:31:07.347Z"
+    recorded_at: "2026-10-28T16:31:07.347Z"
+    passed: 1
+    failed: 0
+    skipped: 0
+    executions[1]{command,requested_pm_context_mode,pm_context_mode,workspace_context_mode,trust_reason}:
+      node scripts/run-tests.mjs test -- tests/unit/sdk/query/history-recency.spec.ts tests/unit/commands/history/history-activity-command.spec.ts,schema,schema,source,local_source_ref
+docs[3]{path,scope}:
+  docs/COMMANDS.md,project
+  docs/generated/FLAG_LEXICON_BUDGETS.md,project
+  docs/SDK.md,project
+close_reason: "Implemented explicit consistent history order across SDK, CLI and MCP; reviewed delivery is carried by PR #1619."
+escape_class: production_defect
+gate_evidence:
+  disposition: gate_strengthened
+  gate_id: history-display-order
+  owner: pm-gh1617
+  local_checks[3]: node scripts/run-tests.mjs test -- tests/unit/sdk/query/history-recency.spec.ts tests/unit/sdk/output/table-rows.spec.ts,node scripts/run-tests.mjs coverage,"pnpm quality:static"
+  hosted_checks[2]: Gates (coverage),Gates (static)
+  negative_control: "node --input-type=module --eval 'import {execFileSync,spawnSync} from '\\''node:child_process'\\'';\nimport {existsSync,mkdtempSync,writeFileSync,readFileSync,symlinkSync,rmSync} from '\\''node:fs'\\'';\nimport os from '\\''node:os'\\'';import path from '\\''node:path'\\'';\nconst candidate='\\''beb4dc43b5993cb8b08d38f450930723c06faf30'\\'', unsafe='\\''0194b37689531155b105a614874cc26131e36a60'\\'';\nconst cases=[['\\''src/sdk/query/history.ts'\\'','\\''tests/unit/sdk/query/history-recency.spec.ts'\\'','\\''honors explicit display order for every projection and latest-entry window'\\'',\"to be '\\''oldest_first'\\''\"],['\\''src/sdk/output/table-rows.ts'\\'','\\''tests/unit/sdk/output/table-rows.spec.ts'\\'','\\''compacts agenda null columns and safe string lists with exact restoration'\\'','\\''expected undefined to deeply equal'\\'']];\nconst root=process.cwd(),tmp=mkdtempSync(path.join(os.tmpdir(),'\\''pm-context-negative-'\\''));\ntry {\nconst archive=path.join(tmp,'\\''source.tar'\\'');execFileSync('\\''git'\\'',['\\''archive'\\'','\\''--output='\\''+archive,candidate]);\nexecFileSync('\\''tar'\\'',['\\''--exclude=.agents/pm'\\'','\\''-xf'\\'',archive,'\\''-C'\\'',tmp]);\nsymlinkSync(path.join(root,'\\''node_modules'\\''),path.join(tmp,'\\''node_modules'\\''),'\\''junction'\\'');\nfor(const [source,test,title,fragment] of cases){\nconst fixed=execFileSync('\\''git'\\'',['\\''show'\\'',candidate+'\\'':'\\''+source],{encoding:'\\''utf8'\\''});\nconst needle=source.includes('\\''history.ts'\\'') ? '\\''const newestFirst = (options.order ?? (compact || options.provenance === true ? \"newest_first\" : \"oldest_first\")) === \"newest_first\";'\\'' : '\\''  const columns = [...new Set(rows.flatMap((row) => Object.keys(row)))];'\\'';\nconst replacement=source.includes('\\''history.ts'\\'') ? '\\''const newestFirst = limit === undefined && (compact || options.provenance === true);'\\'' : '\\''  options = {};\\n'\\''+needle;\nif(fixed.split(needle).length!==2)throw new Error('\\''Ambiguous mutation'\\'');\nwriteFileSync(path.join(tmp,source),fixed.replace(needle,replacement));\nconst report=path.join(tmp,'\\''negative.json'\\'');\nconst result=spawnSync(process.execPath,['\\''scripts/run-tests.mjs'\\'','\\''test'\\'','\\''--'\\'',test,'\\''-t'\\'',title,'\\''--reporter=json'\\'','\\''--outputFile='\\''+report],{cwd:tmp,env:{...process.env,PM_PATH:path.join(tmp,'\\''isolated-pm'\\''),PM_GLOBAL_PATH:path.join(tmp,'\\''isolated-global'\\'')},encoding:'\\''utf8'\\'',timeout:180000,maxBuffer:16777216});\nif(!existsSync(report))throw new Error(JSON.stringify({status:result.status,signal:result.signal,error:result.error,stdout:result.stdout?.slice(-5000),stderr:result.stderr?.slice(-5000)}));\nconst data=JSON.parse(readFileSync(report,'\\''utf8'\\''));const failures=data.testResults.flatMap(s=>s.assertionResults).filter(t=>t.status==='\\''failed'\\'');\nconst proven=result.status===1&&data.numFailedTests===1&&data.testResults.every(s=>s.message==='\\'''\\'')&&failures.length===1&&failures[0].title===title&&failures[0].failureMessages.some(m=>m.includes('\\''AssertionError'\\'')&&m.includes(fragment));\nconsole.log(JSON.stringify({candidate,unsafe,test:title,negative_control_proven:proven}));\nif(!proven){process.exitCode=3;break;}\nwriteFileSync(path.join(tmp,source),execFileSync('\\''git'\\'',['\\''show'\\'',candidate+'\\'':'\\''+source]));\n}\nif(process.exitCode!==3)process.exitCode=1;\n} catch(error){console.error(error);process.exitCode=3;}finally{rmSync(tmp,{recursive:true,force:true});}\n'"
+body: ""
diff --git a/.agents/pm/issues/pm-gh1618.toon b/.agents/pm/issues/pm-gh1618.toon
new file mode 100644
index 000000000..01e1f1642
--- /dev/null
+++ b/.agents/pm/issues/pm-gh1618.toon
@@ -0,0 +1,23 @@
+id: pm-gh1618
+title: "GH-1618: prevent automated comment churn from misleading next-work priority"
+description: "**Version:** pm 2026.10.28, a real tracker with 112 next candidates (90 ready). `pm next --help` says: *\"Answers 'what should I work on now?' with the highest-priority ready item\"*.\n\n**Observed:** the recommendation is a **P2** task, an append-only automation audit log (\"Hosted auto-update runs … Never close this item\"). A host cron appends one comment to it every hour; it has 161 comments. Two **P0** issues, both open, unblocked and unassigned, rank 9th and 17th, behind six P1 items.\n\n`pm next --json --explain-ranking` shows why:\n\n| id | priority | baseline_rank | final rank | recency | activity_density | priority_pressure |\n|---|---|---|---|---|---|---|\n| audit-log task | P2 | 35 | **1** | 0.342 (hourly `comment_add`, classed `substantive`) | **0.25** | 0.175 |\n| P1 feature | P1 | 11 | 2 | 0.291 | 0.030 | 0.262 |\n| P0 issue | P0 | — | 9 | — | — | — |\n\n`recency` takes its coordinate from the latest `comment_add`, classed `event_class: substantive`. `activity_density` counts comments. So machine-written log comments outweigh priority, and a P0 incident loses to a log that grows by itself.\n\n**Why it matters for agents:** an agent that follows `pm next` (the documented \"what now?\" entry point) works on the wrong item and never gets to the P0 work. It also costs a second query and manual re-ranking to notice. Any tracker with an automation that comments regularly (CI receipts, updater runs, sync bots) has the same problem.\n\n**Expected (any of these would fix it):**\n1. Treat priority as a floor: a ready P0 always ranks above ready P1/P2 unless a caller-declared intent says otherwise. The help text promises this.\n2. Don't count automated or append-only comment churn as substantive recency or activity. For example, classify comments by `author_source` / harness, or let an item be declared non-actionable/log so it never becomes `recommended`.\n3. In the default (non-explain) output, give the reason a lower-priority item outranks a higher-priority one (`reasons` currently shows just `p2`), so an agent can see why the recommendation isn't the highest priority.\n\nRelated: #513 (ready queue not priority-ordered, closed). This is the scorer variant of it: the queue is now ranked, but by signals that automation can inflate.\n\n\nIntake only: reproduce against the current public SDK before selecting a ranking policy. Preserve custom project scoring and explicit intent while reconciling the default recommendation with its documented priority contract."
+type: Issue
+status: open
+priority: 1
+tags[5]: agent-ux,context,github,ranking,sdk
+created_at: "2026-10-28T16:11:10.969Z"
+updated_at: "2026-10-28T16:43:22.482Z"
+author: "harness:codex"
+estimated_minutes: 120
+acceptance_criteria: Reproduce a ready P0 population competing with automated P2 comment churn;Define explicit default and caller-customizable ranking policy;Verify explanations and SDK CLI MCP parity with bounded token costs
+parent: pm-4k6b
+risk: medium
+confidence: 60
+expected_result: Default next-work advice cannot silently elevate an automated P2 log above ready P0 work; documented policy and ranking explanations match tested behavior.
+dependencies[2]{id,kind,created_at,author,source_kind,author_source}:
+  pm-07pt16,related,"2026-10-28T16:11:10.969Z","harness:codex","cli:create:dep",detected
+  pm-1mwk,related,"2026-10-28T16:11:10.969Z","harness:codex","cli:create:dep",detected
+comments[1]{created_at,author,text}:
+  "2026-10-28T16:11:10.969Z","harness:codex","Duplicate check: complete initial strict3146-item all-status corpus plus fresh specific searches and open/in-progress inventories found no existing owner for GH1618. Read full live pm-4k6b and completed pm-1mwk/pm-07pt16 lineage. This new report arrived during PR1619 validation and remains open/unclaimed; no reproduction or fix is asserted."
+escape_class: production_defect
+body: ""
diff --git a/.agents/pm/issues/pm-xq09zu.toon b/.agents/pm/issues/pm-xq09zu.toon
index 9f5349fd6..7daaa105f 100644
--- a/.agents/pm/issues/pm-xq09zu.toon
+++ b/.agents/pm/issues/pm-xq09zu.toon
@@ -6,7 +6,7 @@ status: open
 priority: 2
 tags: []
 created_at: "2026-10-25T19:40:57.328Z"
-updated_at: "2026-10-27T20:14:11.408Z"
+updated_at: "2026-10-28T17:20:25.176Z"
 author: "harness:codex"
 estimated_minutes: 90
 acceptance_criteria: Identify the producing automation and whether termination or ingestion explains each unmatched start; Reproduce any confirmed lifecycle defect with isolated positive and negative controls; Preserve sampling and distinguish intentional interruption from missing finalization without fabricating success
@@ -17,7 +17,7 @@ expected_result: Identify why each of the four 2026.10.24 automation aggregate s
 actual_result: "Latest complete bounded installation audit through2026-10-27T11:27:56.303Z, from08:41:00Z:143starts/142finishes, exactly one unequal history group at09:23:31.637UTC, independently re-read. All seven native history-reader processes in the original closure audit exited0; actual causation remains unproven. Fresh11:23UTC history start/finish ingestion0.738039/0.601494seconds and Sentry pm history root27.091ms are visible; span attribute enrichment is unavailable. Required observability gate passes at5.51percent errors<=6 with zero missing codes or blocking Sentry issues. Client event/OTLP queues are empty; last broker snapshot has0ready/1unacknowledged message, so no global drainage claim. Earlier post-source10/9,82/81 checkpoints, older388/387 changelog window and original four2026.10.24 starts remain separate unresolved observations. No synthetic terminal event or lifecycle repair."
 dependencies[1]{id,kind,created_at,author,source_kind,author_source}:
   pm-wrdctq,related,"2026-10-25T20:35:11.340Z","harness:codex","cli:update:dep",detected
-comments[14]{created_at,author,text}:
+comments[17]{created_at,author,text}:
   "2026-10-25T19:40:57.328Z","harness:codex","Duplicate check: strict complete3115-item all-status corpus plus refreshed open/in_progress inventories and request-specific aggregate telemetry pairing search; full live pm-5oj5 and closed paired-sampling lineage pm-wrdctq were read. No canonical owner matched this newly observed four-row cohort. Intake only and unclaimed."
   "2026-10-25T19:41:57.802Z","harness:codex","Refined source attribution: the four unmatched aggregate starts all report pm_version2026.10.24 and source_context automation. No current2026.10.25 mismatch is established by that cohort. Keep the intake open/unclaimed and retain termination or timeout as an unverified explanation rather than asserting ingestion loss."
   "2026-10-26T05:30:06.130Z","harness:codex","Fresh October26 live telemetry evidence extends this existing investigation: complete installation/session/command pairing since2026-10-25T23:39Z over producer2026.10.25/26 found1398 starts,1394 finishes and four settled unmatched starts. All four are producer2026.10.25 with source_context automation: aggregate at00:06:48Z, assurance at01:16:16Z, get at01:29:56Z and aggregate at03:17:42Z. Termination versus ingestion remains unverified; no2026.10.26 mismatch was established by this cohort. Keep the canonical investigation open and unclaimed. Forty command families show average ingestion1.229seconds; required seven-day error/code gate passes at5.22percent with zero missing failure codes. A fresh Sentry pm.command contracts span at05:26:14Z is visible, but streamed span detail is temporarily unavailable from the provider. This is operational evidence, not proof that every historical action has a finish."
@@ -32,6 +32,9 @@ comments[14]{created_at,author,text}:
   "2026-10-27T18:00:27.403Z","harness:codex","Post-change live proof on c72930a7f: required Sentry/telemetry gate passes with0 blocking Sentry issues,5.56% weighted telemetry errors against unchanged6% and0 missing error-code rows. A fresh pm history root span appears at37.519ms. The corresponding17:48UTC start/finish rows are independently stored with0.705/0.348second ingest lag; later normal reads have2.2-4.6second lag. Services remain healthy; broker snapshot4events/1consumer and local status includes its own in-flight row, so this is not a universal queue-drain claim. Historical unmatched starts remain unresolved; no synthetic finishes or privacy/sampling changes were made."
   "2026-10-27T20:03:06.990Z","harness:codex","Fresh post-closeout proof: a real pm history root span is visible in Sentry at35.084ms. The matching19:55UTC command start/finish rows reached independent telemetry storage with0.485/0.709second ingest lag; later normal reads show1.8-2.1seconds. Stack services are healthy and the broker snapshot is0events with1consumer. Earlier unmatched-start cohorts are retained. The most recent completed required combined gate passed at5.56% errors against unchanged6%, with0missing-code rows and0blocking Sentry issues. A fresh rerun is pending after an earlier invocation was interrupted (exit143); interruption is not counted as success."
   "2026-10-27T20:14:11.407Z","harness:codex","Qualified completion: the unchanged required observability gate completed under Node24 with independently captured native child exit0 in222.12seconds. Complete fresh evidence reports0blocking Sentry issues, telemetry errors5.7% below the unchanged6% ceiling and0missing error-code rows. The earlier180second diagnostic bound was insufficient and was not success; prior wrapper exits143 are retained. No source, timeout inside the gate, threshold, privacy or sampling policy was changed. Current35.084ms root span and real0.485/0.709second event-ingest pair remain independently visible."
+  "2026-10-28T15:41:10.734Z","harness:codex","October28 live evidence: required Sentry/telemetry gate reports zero blocking Sentry issues and zero missing-code rows, but seven-day finish error rate6.04percent exceeds unchanged6percent. Independent breakdown reports594304 finishes,35947 failures and6.03percent; most failures belong to existing command_failed/automation cohorts. Recent aggregate counts mostly pair with subsecond-to-two-second ingest lag; this is not per-invocation or historical completeness proof. Broker queue is empty and SDK flush drains local queue to zero bytes. Preserve the aggregate-rate failure separately from the context-read changes and prior unmatched-start investigation."
+  "2026-10-28T16:25:11.915Z","harness:codex","Review correction: the independently quoted counts 35,947 / 594,304 equal 6.0486%, rounded 6.05%; the previous 6.03% label was incorrect. This correction does not change the separately sampled 6.04% gate verdict or its unchanged 6% threshold. The aggregate issue remains open."
+  "2026-10-28T17:20:25.175Z","harness:codex","Post-change delivery probe at 2026-10-28 17:19 UTC: context command_start and successful command_finish were both persisted independently in the remote telemetry database with 0.855s and 0.709s ingestion lag. SDK flush completed and the remote queue had zero ready/unacknowledged messages. These current delivery facts do not clear the separately reported aggregate error-rate and historical pairing limitations."
 files[1]{path,scope}:
   tests/unit/core/telemetry/telemetry-worker-lifecycle.spec.ts,project
 body: ""
diff --git a/.agents/pm/reminders/pm-7zs0.toon b/.agents/pm/reminders/pm-7zs0.toon
index 0ba1a84b4..8ef91bc73 100644
--- a/.agents/pm/reminders/pm-7zs0.toon
+++ b/.agents/pm/reminders/pm-7zs0.toon
@@ -6,7 +6,7 @@ status: open
 priority: 2
 tags[3]: "area:release",living-map,reliability
 created_at: "2026-06-07T10:24:45.889Z"
-updated_at: "2026-10-28T06:37:31.561Z"
+updated_at: "2026-10-28T15:49:25.843Z"
 reminders[1]{at,text}:
   "2026-10-29T06:00:00.000Z",Verify the next eligible daily release and supported consumers after PR1616
 author: maintainer-agent
@@ -90,7 +90,7 @@ dependencies[14]:
     author: "harness:codex"
     source_kind: "cli:update:dep"
     author_source: detected
-comments[248]:
+comments[250]:
   - created_at: "2026-06-10T14:44:30.277Z"
     author: maintainer-agent
     text: "2026-06-10 daily auto-release (scheduled run 27258655654, 06:50Z) FAILED at sentry-telemetry-gate: PM-CLI-1J 'CommandError: {' — a CommandError whose message was the raw guided-error JSON envelope (code tracker_not_initialized) thrown by an ephemeral temp-dir script (readPmItemsForUpsert, source no longer on disk; 2 events 2026-06-09T21:34Z). Gate classifier fix already landed in PR #197 (fba75fb0, merged 11:34Z, adds 'tracker_not_initialized' to KNOWN_EXPECTED_HANDLED_CLI_ISSUE_PATTERNS) but AFTER the scheduled run. Recovery: resolved PM-CLI-1J in Sentry + re-dispatched auto-release.yml with push=true (run 27284359777). Will verify v2026.6.10 npm publish before closing."
@@ -838,6 +838,12 @@ comments[248]:
   - created_at: "2026-10-28T06:37:31.561Z"
     author: "harness:codex"
     text: "Serviced the October28 release-health occurrence after its06:00UTC instant: successful parent/child workflows and the independent published2026.10.28 consumer receipt are verified. Replaced its sole reminder with October29 06:00UTC for the next eligible post-delivery cut. PR1616 remains under review; do not describe its SDK fixes as included in the already immutable October28 publication. No second automatic or manual release was requested by this continuation."
+  - created_at: "2026-10-28T15:37:36.031Z"
+    author: "harness:codex"
+    text: "Live October28 release evidence: v2026.10.28 publisher run40631211289 succeeded. Morning dispatcher40628452727 and native scheduled run40660287046 succeeded, with one immutable base-day tag. Repository verify-published-release.mjs --version2026.10.28 exits0, confirming public npm/npx/Bun/bunx consumers and GitHub publication. Current context-read changes postdate this release and are not published by it. The pending next-day reminder and reliability history remain separate."
+  - created_at: "2026-10-28T15:49:25.842Z"
+    author: "harness:codex"
+    text: Latest Release Reliability run40713600220 remains red at the rolling nightly recurrence step even though the publisher and public consumer verifier succeeded. The measurement implementation owner pm-2zjs0g is closed and remains completed. Historical original-attempt failures and sample sufficiency are not erased by current successful release evidence; retained GitHub nightly issue lineages remain linked.
 notes[11]:
   - created_at: "2026-07-02T06:41:55.766Z"
     author: claude-code-agent
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b8563917..17eb82936 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@
 
 ### Fixed
 
+- GH-1617: make history display order explicit and consistent across projections ([pm-gh1617](https://github.com/unbraind/pm-cli/blob/main/.agents/pm/issues/pm-gh1617.toon))
+- GH-1603: Reduce null agenda fields and escaped tag overhead in bounded context output ([pm-gh1603](https://github.com/unbraind/pm-cli/blob/main/.agents/pm/issues/pm-gh1603.toon))
 - GH-1606: Validate public SDK runtime operand values before mutation internals ([pm-gh1606](https://github.com/unbraind/pm-cli/blob/main/.agents/pm/issues/pm-gh1606.toon))
 - GH-1614: keep typed SDK data literal across CLI sentinel inputs ([pm-gh1614](https://github.com/unbraind/pm-cli/blob/main/.agents/pm/issues/pm-gh1614.toon))
 
diff --git a/docs/COMMANDS.md b/docs/COMMANDS.md
index 55937f556..0868a8e79 100644
--- a/docs/COMMANDS.md
+++ b/docs/COMMANDS.md
@@ -1182,16 +1182,21 @@ unowned hooks. Default installation remains hook-free. See
 
 ## History and Recovery
 
-Compact and provenance history without `--limit` display newest entries first,
-so the latest handoff survives an output budget. The `order` receipt declares
-the display direction and `total` counts all matching entries before limits.
-Physical `index` values and durable version addresses retain their original
-meaning. Use the returned `output_budget_truncation` continuation with
-`--output-cursor` to read older rows without gaps or duplicates. Explicit
-`--limit N` keeps the latest N entries in chronological order; `--full
---output-budget unbounded` returns complete chronological entries. Verification
-always checks the full authoritative chain
-([pm-gh1605](https://github.com/unbraind/pm-cli/blob/main/.agents/pm/issues/pm-gh1605.toon); tracker record excluded from npm).
+Compact and provenance history default to newest-first, including reads with
+`--limit`. Full entries default to oldest-first. Use `--order oldest_first` or
+`--order newest_first` to choose the same direction for any projection and its
+value diffs. `--limit N` selects the latest N matching entries before ordering.
+The `order` receipt declares direction and `total` counts matches before limits.
+Physical indices and durable versions retain their original meaning. Use
+`--output-cursor` with the returned continuation to traverse the selected order.
+Verification always checks the full authoritative chain.
+
+Compatibility: a compact/provenance latest-N read used to flip to chronological
+order. Chronological consumers should explicitly use, for example,
+`pm history pm-a1b2 --diff --limit 20 --order oldest_first`.
+Full reads keep their chronological default.
+Tracked by [pm-gh1617](https://github.com/unbraind/pm-cli/blob/main/.agents/pm/issues/pm-gh1617.toon)
+(tracker record excluded from npm).
 
 After a branch merge that touched tracker history, preview and apply the
 one-command reconciliation gate:
diff --git a/docs/OUTPUT_PROJECTION_CONTRACTS.md b/docs/OUTPUT_PROJECTION_CONTRACTS.md
index 27fcdf100..a7e7fb862 100644
--- a/docs/OUTPUT_PROJECTION_CONTRACTS.md
+++ b/docs/OUTPUT_PROJECTION_CONTRACTS.md
@@ -120,8 +120,9 @@ primary rows while a rich result can name
 `checks.0.details.missing_resolution_rows` as a continuation row. This prevents
 an inner diagnostic array from disabling `--output-limit` on the outer checks.
 `toon_encoding: "tabular_when_uniform"` declares that an array of flat objects
-with one shared key set renders as a length-marked TOON table; mixed, nested,
-or heterogeneous arrays retain the expanded representation. Quoted,
+with one shared key set can render as a length-marked TOON table. Nested or
+heterogeneous object rows can also use a smaller table with explicit sibling
+encoding metadata; otherwise they retain the expanded representation. Quoted,
 separator-bearing, and multiline values use the canonical TOON encoder and
 round-trip through the strict decoder.
 Commands without a row collection, including a dependency tree or leaf `get`,
@@ -463,3 +464,24 @@ Continuation and compaction slice these receipts with the rows. Self-describing
 focus rows need no extra receipt. Semantic receipts are preserved during
 explanatory-string compaction, and corrupt alphabet or row-count mismatches are
 rejected.
+
+
+### Compact nested table metadata
+
+Tracked by [pm-gh1603](https://github.com/unbraind/pm-cli/blob/main/.agents/pm/issues/pm-gh1603.toon)
+(tracker record excluded from npm). The SDK `encodePmTableRows(rows, { compact: true })`
+can declare `list_columns` (column to delimiter) and `null_columns` alongside
+`json_columns` and `absent`. Omitted null columns also carry `column_order`
+to restore their original first-occurrence positions. `decodePmTableRows` restores
+these facts exactly.
+A safe string-array column uses `;` between nonempty members; an empty cell means
+an empty array. Any empty member, delimiter collision, mixed type or nested value
+uses the existing JSON-column encoding instead. Null columns are omitted only
+when every row explicitly contains null; missing fields remain distinct.
+
+The TOON host selects compact tables only when they reduce rendered bytes.
+Agenda rows therefore share null-field declarations and tag arrays avoid repeated
+JSON escaping. JSON output and SDK query results retain their original values.
+Consumers of TOON tables must honor all declared encoding metadata or use the
+current SDK decoder. Whole-envelope budgets measure the actual serialized form,
+including decoding metadata.
diff --git a/docs/SDK.md b/docs/SDK.md
index 492f1c496..c6dee5636 100644
--- a/docs/SDK.md
+++ b/docs/SDK.md
@@ -453,15 +453,22 @@ Promoted Plan links retain their graph semantics: `depends_on` canonicalizes to
 
 ### Immutable history and rich item reads
 
-`runHistory(id, { compact: true }, global)` and `{ provenance: true }` return
-newest-first rows when no `limit` is supplied. The CLI and `runAction` history
-defaults use compact rows. The result declares `order` and a complete matching
-`total`; original row indices and durable versions stay unchanged. Apply the
-public read-output dimensions and carry `outputCursor` from their truncation
-receipt to traverse older entries. An explicit latest-entry `limit` retains
-chronological order, as do full SDK reads (`runHistory(id, {}, global)`) and
-`runAction` with `full: true`. Verification still consumes the full chain
-([pm-gh1605](https://github.com/unbraind/pm-cli/blob/main/.agents/pm/issues/pm-gh1605.toon); tracker record excluded from npm).
+`runHistory(id, { compact: true }, global)` and `{ provenance: true }` default
+to newest-first rows, with or without `limit`. Full SDK reads (`runHistory(id,
+{}, global)`) and `runAction` with `full: true` default to chronological rows.
+Set `order: "oldest_first"` or `order: "newest_first"` explicitly to use the same
+direction across every projection, including value diffs. `limit` selects the
+latest N matching entries before ordering; it never changes the direction.
+CLI and `runAction` defaults use compact rows. The result declares `order` and
+a complete matching `total`; physical indices and durable versions stay unchanged.
+Read-output continuations traverse the chosen order without changing it.
+Verification and value-diff reconstruction still consume the authoritative chain.
+
+Compatibility: compact/provenance reads with a limit previously returned
+chronological rows. Replay consumers must now request `order: "oldest_first"`
+(or CLI `--order oldest_first`) explicitly. Full reads retain their prior default.
+Tracked by [pm-gh1617](https://github.com/unbraind/pm-cli/blob/main/.agents/pm/issues/pm-gh1617.toon)
+(tracker record excluded from npm).
 
 Tracked: [pm-4a7m](../.agents/pm/features/pm-4a7m.toon),
 [pm-hib1](../.agents/pm/features/pm-hib1.toon),
diff --git a/docs/generated/FLAG_LEXICON_BUDGETS.md b/docs/generated/FLAG_LEXICON_BUDGETS.md
index 0d95095fb..41c4c764b 100644
--- a/docs/generated/FLAG_LEXICON_BUDGETS.md
+++ b/docs/generated/FLAG_LEXICON_BUDGETS.md
@@ -32,7 +32,7 @@ This file is generated by `listPmFlagLexicon()`. Compatibility aliases do not co
 | `duplicates` | context | 25 | 25 |
 | `eval` | context | 25 | 25 |
 | `next` | context | 38 | 38 |
-| `history` | evidence | 35 | 35 |
+| `history` | evidence | 36 | 36 |
 | `events` | evidence | 34 | 34 |
 | `history-attest` | evidence | 23 | 23 |
 | `history-redact` | evidence | 27 | 27 |
diff --git a/sdk/public-surface.json b/sdk/public-surface.json
index cfc71e004..6f74dda30 100644
--- a/sdk/public-surface.json
+++ b/sdk/public-surface.json
@@ -2840,6 +2840,23 @@
       ],
       "package_version": "2026.10.27",
       "reason": "Add optional validation-domain metadata and a portable command-scope helper; existing error codes, input shapes and signatures remain valid."
+    },
+    {
+      "changes": [
+        "signature ./sdk:encodePmTableRows",
+        "signature ./sdk:HistoryCommandOptions",
+        "signature ./sdk:PmTableCellEncoding",
+        "signature ./sdk/query:HistoryCommandOptions"
+      ],
+      "package_version": "2026.10.28",
+      "reason": "Add optional history display order and opt-in compact table encoding metadata. Existing table encoder defaults and full-history defaults remain compatible; compact/provenance latest-N reads now retain newest-first direction. Chronological replay uses explicit oldest_first."
+    },
+    {
+      "changes": [
+        "signature ./sdk:PmTableCellEncoding"
+      ],
+      "package_version": "2026.10.28",
+      "reason": "pm-gh1603: additive optional column_order metadata preserves omitted null column positions; existing table decoders and default encodings remain compatible."
     }
   ],
   "entrypoints": {
@@ -7482,7 +7499,7 @@
           "classification": "advanced_export",
           "kind": "function",
           "name": "encodePmTableRows",
-          "signature": "(rows: readonly Record<string, JsonValue>[]) => PmEncodedTableRows | calls: (rows: readonly Record<string, JsonValue>[]) => PmEncodedTableRows"
+          "signature": "(rows: readonly Record<string, JsonValue>[], options?: { compact?: boolean; }) => PmEncodedTableRows | calls: (rows: readonly Record<string, JsonValue>[], options?: { compact?: boolean; }) => PmEncodedTableRows"
         },
         {
           "classification": "supported",
@@ -9810,7 +9827,7 @@
           "classification": "supported",
           "kind": "interface",
           "name": "HistoryCommandOptions",
-          "signature": "export interface HistoryCommandOptions { limit?: string; diff?: boolean; field?: string; verify?: boolean; compact?: boolean; provenance?: boolean; provenanceSummary?: boolean; harness?: string | readonly string[]; agentInstance?: string | readonly string[]; provenanceFilter?: string | readonly string[]; }"
+          "signature": "export interface HistoryCommandOptions { limit?: string; order?: \"oldest_first\" | \"newest_first\"; diff?: boolean; field?: string; verify?: boolean; compact?: boolean; provenance?: boolean; provenanceSummary?: boolean; harness?: string | readonly string[]; agentInstance?: string | readonly string[]; provenanceFilter?: string | readonly string[]; }"
         },
         {
           "classification": "advanced_export",
@@ -15150,7 +15167,7 @@
           "classification": "advanced_export",
           "kind": "interface",
           "name": "PmTableCellEncoding",
-          "signature": "export interface PmTableCellEncoding { json_columns: string[]; absent: Array<[ number, string ]>; }"
+          "signature": "export interface PmTableCellEncoding { json_columns: string[]; list_columns?: Record<string, string>; null_columns?: string[]; column_order?: string[]; absent: Array<[ number, string ]>; }"
         },
         {
           "classification": "contract_data",
@@ -32106,7 +32123,7 @@
           "classification": "supported",
           "kind": "interface",
           "name": "HistoryCommandOptions",
-          "signature": "export interface HistoryCommandOptions { limit?: string; diff?: boolean; field?: string; verify?: boolean; compact?: boolean; provenance?: boolean; provenanceSummary?: boolean; harness?: string | readonly string[]; agentInstance?: string | readonly string[]; provenanceFilter?: string | readonly string[]; }"
+          "signature": "export interface HistoryCommandOptions { limit?: string; order?: \"oldest_first\" | \"newest_first\"; diff?: boolean; field?: string; verify?: boolean; compact?: boolean; provenance?: boolean; provenanceSummary?: boolean; harness?: string | readonly string[]; agentInstance?: string | readonly string[]; provenanceFilter?: string | readonly string[]; }"
         },
         {
           "classification": "supported",
diff --git a/src/cli/help-content.ts b/src/cli/help-content.ts
index 68911d011..7b7633937 100644
--- a/src/cli/help-content.ts
+++ b/src/cli/help-content.ts
@@ -655,9 +655,9 @@ const HELP_BY_COMMAND_PATH: Record<string, HelpBundle> = {
     ],
   },
   history: {
-    why: "Inspects item mutation timeline and audit trail.",
+    why: "Inspect recorded mutations.",
     examples: [
-      "pm history pm-a1b2 --limit 20",
+      "pm history pm-a1b2 --order oldest_first",
       "pm history pm-a1b2 --full --verify",
     ],
   },
diff --git a/src/cli/register-list-query.ts b/src/cli/register-list-query.ts
index 81692f168..c9c02c226 100644
--- a/src/cli/register-list-query.ts
+++ b/src/cli/register-list-query.ts
@@ -824,6 +824,7 @@ async function runHistoryAction(
     id,
     {
       limit: typeof options.limit === "string" ? options.limit : undefined,
+      order: options.order as "oldest_first" | "newest_first" | undefined,
       compact:
         options.full === true || options.provenance === true ? false : true,
       provenance: options.provenance === true,
@@ -1541,24 +1542,25 @@ export function registerListQueryCommands(
       .command("history")
       .enablePositionalOptions()
       .argument("<id>", "Item id")
-      .option("--limit <n>", "Latest n entries")
-      .option("--compact", "Index, time, op, author, patch count, fields")
-      .option("--full", "Full entries with JSON Patches")
-      .option("--provenance", "Authors and provenance; no patches")
+      .option("--limit <n>", "Latest N; keeps order")
+      .option("--order <value>", "oldest_first|newest_first")
+      .option("--compact", "Summary (default newest_first)")
+      .option("--full", "Patches (default oldest_first)")
+      .option("--provenance", "Authors (default newest_first)")
       .option("--provenance-summary", "Count provenance completeness")
       .option(
         "--harness <value>",
-        "Recorded/resolved harness (repeatable)",
+        "Harness (repeatable)",
         collect,
       )
       .option(
         "--agent-instance <value>",
-        "Agent instance (repeatable)",
+        "Instance (repeatable)",
         collect,
       )
       .option(
         "--provenance-filter <dimension=value>",
-        "Exact provenance match (repeatable)",
+        "Provenance (repeatable)",
         collect,
       )
       .option("--diff", "Before/after field diffs")
@@ -1567,7 +1569,7 @@ export function registerListQueryCommands(
       .option("--strict-exit", "With --verify, fail on integrity errors")
       .option("--fail-on-warn", "Alias for --strict-exit")
       .option("--format <value>", "Output: json|toon")
-      .description("Show item history entries.")
+      .description("Read history.")
       .action(runHistoryAction);
     registerHistoryMaintenanceCommands(historyCommand, true);
     registerHistoryActivityCommand(historyCommand.command("activity"));
diff --git a/src/core/output/output.ts b/src/core/output/output.ts
index a80d9639e..55b2de3b3 100644
--- a/src/core/output/output.ts
+++ b/src/core/output/output.ts
@@ -223,30 +223,6 @@ function renderScalar(value: unknown): string {
   return JSON.stringify(value);
 }
 
-/** Determine whether a nonempty object collection has uniform scalar columns. */
-function tabularObjectArray(
-  value: Record<string, unknown>[],
-): value is Record<string, JsonValue>[] {
-  const keys = Object.keys(value[0]!);
-  return (
-    keys.length > 0 &&
-    value.every(
-      (entry) =>
-        Object.keys(entry).length === keys.length &&
-        keys.every((key) => {
-          if (!Object.hasOwn(entry, key)) return false;
-          const cell = entry[key];
-          return (
-            cell === null ||
-            typeof cell === "string" ||
-            typeof cell === "number" ||
-            typeof cell === "boolean"
-          );
-        }),
-    )
-  );
-}
-
 /** Indent every line of an encoded block at the enclosing TOON nesting depth. */
 function indentToon(encoded: string, depth: number): string {
   const indent = "  ".repeat(depth);
@@ -286,18 +262,20 @@ function renderToonObjectEntry(
     const expanded = indentToon(encodeToon({ [key]: entry }), depth);
     if (
       allowNestedTable &&
-      entry.length >= 2 &&
+      entry.length >= 1 &&
       entry.every(isPlainObject) &&
-      !tabularObjectArray(entry) &&
       isNestedTableCandidateBounded(entry)
     ) {
-      const table = encodePmTableRows(entry as Record<string, JsonValue>[]);
-      const tabular = indentToon(
-        encodeToon({ [key]: table.rows, [`${key}_encoding`]: table.encoding }),
-        depth,
-      );
-      if (Buffer.byteLength(tabular) < Buffer.byteLength(expanded))
-        return tabular;
+      const candidates = [false, true].map(compact => {
+        const table = encodePmTableRows(entry as Record<string, JsonValue>[], { compact });
+        return indentToon(
+          encodeToon({ [key]: table.rows, [`${key}_encoding`]: table.encoding }),
+          depth,
+        );
+      });
+      return candidates.reduce((smallest, candidate) =>
+        Buffer.byteLength(candidate) < Buffer.byteLength(smallest) ? candidate : smallest,
+      expanded);
     }
     return expanded;
   }
diff --git a/src/sdk/cli-contracts/flag-contracts.ts b/src/sdk/cli-contracts/flag-contracts.ts
index ae1f8e605..3f70c4767 100644
--- a/src/sdk/cli-contracts/flag-contracts.ts
+++ b/src/sdk/cli-contracts/flag-contracts.ts
@@ -398,6 +398,7 @@ export const DOCS_FLAG_CONTRACTS: CliFlagContract[] = [
 export const HISTORY_FLAG_CONTRACTS: CliFlagContract[] = [
   { flag: "--id", value_name: "item-id" },
   { flag: "--limit" },
+  { flag: "--order", value_name: "value", value_type: "string" },
   { flag: "--compact" },
   { flag: "--full" },
   { flag: "--provenance" },
diff --git a/src/sdk/cli-contracts/flag-lexicon-contracts.ts b/src/sdk/cli-contracts/flag-lexicon-contracts.ts
index 3557f0081..2bd3d5257 100644
--- a/src/sdk/cli-contracts/flag-lexicon-contracts.ts
+++ b/src/sdk/cli-contracts/flag-lexicon-contracts.ts
@@ -250,7 +250,8 @@ const LEGACY_COMMAND_FLAG_BUDGET_MAXIMUMS = Object.freeze({
   duplicates: 25,
   eval: 25,
   next: 38,
-  history: 35,
+  // pm-gh1617: explicit display order independent of projection and latest-N selection.
+  history: 36,
   // pm-gh1593: one opt-in authoritative chain verification flag; no spare allowance.
   events: 34,
   // pm-3z0k: three proof options plus the shared global surface; no spare allowance.
diff --git a/src/sdk/cli-contracts/tool-parameter-tables.ts b/src/sdk/cli-contracts/tool-parameter-tables.ts
index 2e6230646..83d50c21d 100644
--- a/src/sdk/cli-contracts/tool-parameter-tables.ts
+++ b/src/sdk/cli-contracts/tool-parameter-tables.ts
@@ -767,6 +767,7 @@ export const PM_TOOL_ACTION_SCOPED_PARAMETER_PROPERTIES: Partial<
     },
   },
   history: {
+    order: { type: "string", enum: ["oldest_first", "newest_first"] },
     harness: {
       anyOf: [{ type: "string" }, { type: "array", items: { type: "string" } }],
     },
@@ -2246,7 +2247,10 @@ export const PM_TOOL_ACTION_SCOPED_PARAMETER_METADATA: Partial<
   "validate": { strictExit: { description: "Return non-zero when validation reports warnings." } },
   "extension-doctor": { strictExit: { description: "Return non-zero when extension diagnostics report warnings or a non-ok summary." } },
   "package-doctor": { strictExit: { description: "Return non-zero when package diagnostics report warnings or a non-ok summary." } },
-  "history": { strictExit: { description: "Return non-zero for history verification failures when verify is enabled." } },
+  history: {
+    strictExit: { description: "Return non-zero for history verification failures when verify is enabled." },
+    order: { description: "Display direction after selecting the latest matching entries; defaults to newest_first for compact/provenance and oldest_first for full history.", examples: ["oldest_first", "newest_first"] },
+  },
   extension: { strictExit: { description: "For doctor operations, return non-zero on warnings or a non-ok diagnostic summary." } },
   package: { strictExit: { description: "For doctor operations, return non-zero on warnings or a non-ok diagnostic summary." } },
   assurance: {
diff --git a/src/sdk/cli-contracts/tool-schema.ts b/src/sdk/cli-contracts/tool-schema.ts
index 06c2dabea..160ad3777 100644
--- a/src/sdk/cli-contracts/tool-schema.ts
+++ b/src/sdk/cli-contracts/tool-schema.ts
@@ -765,6 +765,7 @@ const PM_TOOL_ACTION_SCHEMA_CONTRACTS: Record<string, PmActionSchemaContract> =
       required: ["id"],
       optional: [
         "limit",
+        "order",
         "compact",
         "full",
         "provenance",
diff --git a/src/sdk/output/table-rows.ts b/src/sdk/output/table-rows.ts
index dc2c694d8..7c0ecf7dc 100644
--- a/src/sdk/output/table-rows.ts
+++ b/src/sdk/output/table-rows.ts
@@ -11,6 +11,12 @@ import type { JsonValue } from "@toon-format/toon";
 export interface PmTableCellEncoding {
   /** Columns whose every present cell contains a JSON-serialized value. */
   json_columns: string[];
+  /** String-array columns joined by a declared delimiter; empty cells restore empty arrays. */
+  list_columns?: Record<string, string>;
+  /** Columns omitted from every encoded row because every source value is explicit null. */
+  null_columns?: string[];
+  /** Original first-occurrence column order when omitted null columns need reinsertion. */
+  column_order?: string[];
   /** Missing field coordinates, expressed as [zero-based row, column name]. */
   absent: Array<[number, string]>;
 }
@@ -33,9 +39,18 @@ export interface PmEncodedTableRows {
  */
 export function encodePmTableRows(
   rows: readonly Record<string, JsonValue>[],
+  options: { compact?: boolean } = {},
 ): PmEncodedTableRows {
   const columns = [...new Set(rows.flatMap((row) => Object.keys(row)))];
-  const jsonColumns = columns.filter((column) =>
+  const nullColumns = options.compact ? columns.filter(column => rows.every(row => Object.hasOwn(row, column) && row[column] === null)) : [];
+  const listColumns = options.compact ? columns.filter(column => rows.every(row => {
+    if (!Object.hasOwn(row, column)) return true;
+    const cell = row[column];
+    return Array.isArray(cell) && cell.every(value => typeof value === "string" && value !== "" && !value.includes(";"));
+  })) : [];
+  const lists = new Set(listColumns);
+  const nulls = new Set(nullColumns);
+  const jsonColumns = columns.filter((column) => !lists.has(column) &&
     rows.some((row) => {
       const cell = row[column];
       return cell !== null && typeof cell === "object";
@@ -46,17 +61,21 @@ export function encodePmTableRows(
   const encoded = rows.map(
     (row, index) =>
       Object.fromEntries(
-        columns.map((column) => {
+        columns.filter(column => !nulls.has(column)).map((column) => {
           if (!Object.hasOwn(row, column)) {
             absent.push([index, column]);
             return [column, null];
           }
           const cell = row[column]!;
+          if (lists.has(column)) return [column, (cell as string[]).join(";")];
           return [column, nested.has(column) ? JSON.stringify(cell) : cell];
         }),
       ) as PmEncodedTableRows["rows"][number],
   );
-  return { rows: encoded, encoding: { json_columns: jsonColumns, absent } };
+  return { rows: encoded, encoding: { json_columns: jsonColumns, absent,
+    ...(listColumns.length ? { list_columns: Object.fromEntries(listColumns.map(column => [column, ";"])) } : {}),
+    ...(nullColumns.length ? { null_columns: nullColumns, column_order: columns } : {}),
+  } };
 }
 
 /**
@@ -68,20 +87,23 @@ export function decodePmTableRows(
   table: PmEncodedTableRows,
 ): Record<string, JsonValue>[] {
   const nested = new Set(table.encoding.json_columns);
+  const delimiters = new Map(Object.entries(table.encoding.list_columns ?? {}));
   const absent = new Set(
     table.encoding.absent.map(([row, column]) => JSON.stringify([row, column])),
   );
-  return table.rows.map((row, index) =>
-    Object.fromEntries(
-      Object.entries(row).flatMap(([column, cell]) => {
+  return table.rows.map((row, index) => {
+    const cells = new Map<string, JsonValue>(
+      Object.entries(row).flatMap(([column, cell]): Array<[string, JsonValue]> => {
         if (absent.has(JSON.stringify([index, column]))) return [];
-        return [
-          [
-            column,
-            nested.has(column) ? (JSON.parse(String(cell)) as JsonValue) : cell,
-          ],
-        ];
+        const delimiter = delimiters.get(column);
+        const value = delimiter !== undefined
+          ? (cell === "" ? [] : String(cell).split(delimiter))
+          : nested.has(column) ? (JSON.parse(String(cell)) as JsonValue) : cell;
+        return [[column, value]];
       }),
-    ),
-  );
+    );
+    for (const column of table.encoding.null_columns ?? []) cells.set(column, null);
+    const columns = table.encoding.column_order ?? [...cells.keys()];
+    return Object.fromEntries(columns.filter(column => cells.has(column)).map(column => [column, cells.get(column)!]));
+  });
 }
diff --git a/src/sdk/query/history.ts b/src/sdk/query/history.ts
index 267254f8e..8dc43b685 100644
--- a/src/sdk/query/history.ts
+++ b/src/sdk/query/history.ts
@@ -54,6 +54,8 @@ export { verifyHistoryChain };
 export interface HistoryCommandOptions {
   /** Value that configures or reports limit for this contract. */
   limit?: string;
+  /** Display direction after selecting the latest entries; defaults by projection. */
+  order?: "oldest_first" | "newest_first";
   /** Value that configures or reports diff for this contract. */
   diff?: boolean;
   /** Restrict --diff to a single field's before/after transitions (implies --diff). */
@@ -232,7 +234,7 @@ function buildHistoryProjection(params: {
 }): HistoryResult {
   const { resolvedId, selectedHistory, options, limit, addressing, vocabulary, total } = params;
   const compact = options.compact === true;
-  const newestFirst = limit === undefined && (compact || options.provenance === true);
+  const newestFirst = (options.order ?? (compact || options.provenance === true ? "newest_first" : "oldest_first")) === "newest_first";
   const displayedHistory = newestFirst ? [...selectedHistory].reverse() : selectedHistory;
   const history = displayedHistory.map(({ entry }) => entry);
   const compactHistory = compact
@@ -285,6 +287,9 @@ export async function runHistory(
   options: HistoryCommandOptions,
   global: GlobalOptions,
 ): Promise<HistoryResult> {
+  if (options.order !== undefined && options.order !== "oldest_first" && options.order !== "newest_first") {
+    throw new PmCliError("--order must be oldest_first or newest_first", EXIT_CODE.USAGE);
+  }
   const limit = parseLimit(options.limit);
   const { historyPath, located, resolvedId, settings } =
     await resolveHistoryReadTarget(id, global);
diff --git a/src/sdk/runtime-input.ts b/src/sdk/runtime-input.ts
index d54f48617..83276e1c2 100644
--- a/src/sdk/runtime-input.ts
+++ b/src/sdk/runtime-input.ts
@@ -302,6 +302,7 @@ const LIFECYCLE_AUTHOR_ALIAS_ACTIONS = new Set([
 /** Supported top-level aliases, shared with native mutation admission. */
 export const HOISTED_ACTION_OPTION_KEYS: Readonly<Record<string, readonly string[]>> =
   {
+    history: ["order"],
     "history-attest": ["verify", "output", "hashAlgorithm"],
     list: ["status", "type", "tag", "priority", "limit", "offset"],
     search: ["mode", "status", "type", "tag", "priority", "limit"],
diff --git a/tests/fixtures/contracts/full.json b/tests/fixtures/contracts/full.json
index 0c3231c3d..18179bcd6 100644
--- a/tests/fixtures/contracts/full.json
+++ b/tests/fixtures/contracts/full.json
@@ -5126,6 +5126,11 @@
         {
           "flag": "--limit"
         },
+        {
+          "flag": "--order",
+          "value_name": "value",
+          "value_type": "string"
+        },
         {
           "flag": "--compact"
         },
@@ -53838,6 +53843,18 @@
             "description": "Disable pager integration for help and long output.",
             "type": "boolean"
           },
+          "order": {
+            "description": "Display direction after selecting the latest matching entries; defaults to newest_first for compact/provenance and oldest_first for full history.",
+            "enum": [
+              "oldest_first",
+              "newest_first"
+            ],
+            "examples": [
+              "oldest_first",
+              "newest_first"
+            ],
+            "type": "string"
+          },
           "outputBudget": {
             "anyOf": [
               {
diff --git a/tests/unit/sdk/output/table-rows.spec.ts b/tests/unit/sdk/output/table-rows.spec.ts
index a05138e29..894330eb8 100644
--- a/tests/unit/sdk/output/table-rows.spec.ts
+++ b/tests/unit/sdk/output/table-rows.spec.ts
@@ -4,6 +4,10 @@ import { readFileSync } from "node:fs";
 import { fileURLToPath } from "node:url";
 import { countTokens } from "gpt-tokenizer/encoding/o200k_base";
 import fc from "fast-check";
+import { withTempPmPath } from "../../../helpers/withTempPmPath.js";
+import { createTestItemId } from "../../../helpers/itemFactory.js";
+import { runContext } from "../../../../src/sdk/query/context.js";
+import { runUpdate } from "../../../../src/sdk/lifecycle/update.js";
 import { describe, expect, it } from "vitest";
 import {
   formatBuiltInOutput,
@@ -157,6 +161,52 @@ function restoreCandidate(value: JsonValue): JsonValue {
 }
 
 describe("lossless SDK table cells", () => {
+  it("preserves native context agenda facts while reducing brief and standard output", async () => {
+    await withTempPmPath(async context => {
+      for (let index = 0; index < 10; index += 1) {
+        const id = createTestItemId(context, { title: `Agenda ${index}`, deadline: "2099-01-01T09:00:00Z", tags: "automation,ci,fleet,release" });
+        await runUpdate(id, { reminder: ["at=2099-01-02T09:00:00Z,text=Follow up"], event: ["start=2099-01-03T09:00:00Z,title=Review"] }, { path: context.pmPath });
+      }
+      for (const depth of ["brief", "standard", "full"]) {
+        const result = await runContext({ depth, limit: "30", tokenBudget: 100000 }, { path: context.pmPath });
+        expect(new Set(result.agenda.events.map(event => event.kind))).toEqual(new Set(["deadline", "reminder", "event"]));
+        const facts = JSON.parse(JSON.stringify({ agenda: result.agenda, low_level: result.low_level }));
+        const rendered = formatBuiltInOutput(facts, "toon");
+        expect(restoreTables(decode(rendered))).toEqual(facts);
+        expect(JSON.parse(formatBuiltInOutput(facts, "json"))).toEqual(facts);
+        expect(rendered).toContain("null_columns");
+        expect(countTokens(rendered)).toBeLessThan(countTokens(encode(facts)));
+      }
+    });
+  });
+
+  it("compacts agenda null columns and safe string lists with exact restoration", () => {
+    const rows = Array.from({ length: 10 }, (_, index) => ({
+      item_id: `pm-${index}`, kind: "deadline", event_title: null, event_end: null,
+      event_location: null, event_all_day: null, event_timezone: null,
+      event_recurring: null, event_recurrence_rule: null,
+      tags: index === 0 ? [] : ["automation", "ci", "fleet", "release"],
+    }));
+    const table = encodePmTableRows(rows, { compact: true });
+    expect(table.encoding.list_columns).toEqual({ tags: ";" });
+    expect(table.encoding.null_columns).toContain("event_title");
+    expect(table.rows[1]).toMatchObject({ tags: "automation;ci;fleet;release" });
+    expect(table.rows[0]).not.toHaveProperty("event_title");
+    expect(decodePmTableRows(table)).toEqual(rows);
+    expect(Object.keys(decodePmTableRows(table)[0]!)).toEqual(Object.keys(rows[0]!));
+    expect(Object.keys(decodePmTableRows(encodePmTableRows([{ a: null, b: 1 }], { compact: true }))[0]!)).toEqual(["a", "b"]);
+    const source = { agenda: { events: rows } };
+    const rendered = formatBuiltInOutput(source, "toon");
+    expect(restoreTables(decode(rendered))).toEqual(source);
+    expect(JSON.parse(formatBuiltInOutput(source, "json"))).toEqual(source);
+    expect(Buffer.byteLength(rendered)).toBeLessThan(Buffer.byteLength(encode(source)));
+    expect(countTokens(rendered)).toBeLessThan(countTokens(encode(source)));
+    for (const tags of [["a;b"], [""], [",", '"', "\\", "\n", "雪"], []]) {
+      const facts = [{ tags, nil: null }, { tags: ["normal"], nil: null }];
+      expect(decodePmTableRows(encodePmTableRows(facts, { compact: true }))).toEqual(facts);
+    }
+  });
+
   it("retains reserved JSON row keys through native and lean host projection", () => {
     const rows: Record<string, JsonValue>[] = JSON.parse('[{"id":"one","__proto__":{"value":1,"empty":[]},"constructor":[]},{"id":"two","__proto__":{"value":2,"nil":null},"constructor":{}}]');
     const before = structuredClone(rows);
@@ -187,10 +237,8 @@ describe("lossless SDK table cells", () => {
     };
     const text = formatBuiltInOutput(source, "toon");
     expect(restoreTables(decode(text))).toEqual(source);
-    expect(text).toContain(
-      "high_level[12]{id,title,assignee,parent,deadline,order}",
-    );
-    expect(text).not.toContain("high_level_encoding");
+    expect(text).toContain("null_columns");
+    expect(text).toContain("high_level[12]{id,title,parent}");
     expect(JSON.parse(formatBuiltInOutput(source, "json"))).toEqual(source);
     expect(
       JSON.parse(formatOutput(source, { json: true, lean: true })),
@@ -246,6 +294,7 @@ describe("lossless SDK table cells", () => {
         ),
         (rows) => {
           expect(decodePmTableRows(encodePmTableRows(rows))).toEqual(rows);
+          expect(decodePmTableRows(encodePmTableRows(rows, { compact: true }))).toEqual(rows);
         },
       ),
       { seed: 1401, numRuns: 100 },
diff --git a/tests/unit/sdk/query/history-recency.spec.ts b/tests/unit/sdk/query/history-recency.spec.ts
index 767bedf54..daeb838ea 100644
--- a/tests/unit/sdk/query/history-recency.spec.ts
+++ b/tests/unit/sdk/query/history-recency.spec.ts
@@ -1,5 +1,5 @@
 import { describe, expect, it } from "vitest";
-import { runHistory } from "../../../../src/sdk/query/history.js";
+import { runHistory, type HistoryResult } from "../../../../src/sdk/query/history.js";
 import { runUpdate } from "../../../../src/sdk/lifecycle/update.js";
 import { applyReadOutputDimensions } from "../../../../src/sdk/read-output-contracts.js";
 import { runAction } from "../../../../src/sdk/runtime.js";
@@ -7,7 +7,46 @@ import { withTempPmPath } from "../../../helpers/withTempPmPath.js";
 import { createTestItemId } from "../../../helpers/itemFactory.js";
 import { runWithHarnessDetectionSignals } from "../../../../src/core/shared/author.js";
 
+/** Compare physical coordinates for projected rows and timestamps for full entries. */
+function displayedCoordinates(result: HistoryResult) {
+  if (result.compact_history) return result.compact_history.map(row => row.index);
+  if (result.provenance_history) return result.provenance_history.map(row => row.version);
+  return result.history?.map(row => row.ts);
+}
+
 describe("recent history recovery", () => {
+  it("honors explicit display order for every projection and latest-entry window", async () => {
+    await withTempPmPath(async (context) => {
+      const id = createTestItemId(context, { title: "Ordered history" });
+      for (let n = 2; n <= 4; n += 1) {
+        await runUpdate(id, { title: `Title ${n}` }, { path: context.pmPath });
+      }
+      const cases = [{ compact: true }, { provenance: true }, { compact: false }].flatMap(mode =>
+        [undefined, "2"].flatMap(limit =>
+          (["oldest_first", "newest_first"] as const).map(order => ({ mode, limit, order }))));
+      for (const { mode, limit, order } of cases) {
+            const result = await runHistory(id, { ...mode, limit, order, diff: true }, { path: context.pmPath });
+            const indices = limit ? [3, 4] : [1, 2, 3, 4];
+            if (order === "newest_first") indices.reverse();
+            expect(result.order).toBe(order);
+            expect(result.diff?.map(row => row.index)).toEqual(indices);
+            expect(displayedCoordinates(result)).toEqual(result.history ? result.diff?.map(row => row.ts) : indices);
+      }
+      const limited = await runHistory(id, { compact: true, limit: "2" }, { path: context.pmPath });
+      expect(limited.compact_history?.map(row => row.index)).toEqual([4, 3]);
+      const args = ["history", id, "--diff", "--order", "oldest_first", "--limit", "2", "--json"];
+      const cli = context.runCli(args, { expectJson: true });
+      expect(cli.code).toBe(0);
+      expect(cli.json).toMatchObject({ order: "oldest_first", diff: [{ index: 3 }, { index: 4 }] });
+      expect(await runAction({ action: "history", id, path: context.pmPath, options: { order: "oldest_first", limit: "2", diff: true } }))
+        .toMatchObject({ order: "oldest_first", diff: [{ index: 3 }, { index: 4 }] });
+      expect(await runAction({ action: "history", id, path: context.pmPath, order: "oldest_first", options: { limit: "2", diff: true } }))
+        .toMatchObject({ order: "oldest_first", diff: [{ index: 3 }, { index: 4 }] });
+      await expect(runHistory(id, { order: "invalid" as "oldest_first" }, { path: "/nonexistent-order-validation" }))
+        .rejects.toThrow("--order must be oldest_first or newest_first");
+    });
+  });
+
   it("aligns filtered diffs with physical history while replaying excluded updates", async () => {
     await withTempPmPath(async (context) => {
       const id = createTestItemId(context, { title: "Filtered diff" });
@@ -76,7 +115,7 @@ describe("recent history recovery", () => {
       const diff = await runHistory(id, { compact: true, diff: true }, { path: context.pmPath });
       expect(diff.diff?.map((row) => row.index)).toEqual(received);
       const limited = await runHistory(id, { compact: true, limit: "5" }, { path: context.pmPath });
-      expect(limited.compact_history?.map((row) => row.index)).toEqual([247, 248, 249, 250, 251]);
+      expect(limited.compact_history?.map((row) => row.index)).toEqual([251, 250, 249, 248, 247]);
       const cliFull = context.runCli(["history", id, "--full", "--output-budget", "unbounded", "--json"], { expectJson: true });
       expect(cliFull.code).toBe(0);
       expect(cliFull.json).toMatchObject({ history: full.history, count: 251 });