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Design R95, share keys added and removed on a running client - #172
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| Check name | Status | Explanation |
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Check skipped - CodeRabbit’s high-level summary is enabled. |
| Title check | |
The title uses the imperative verb "Design," accurately describes the R95 change, stays under 70 characters, and has no forbidden prefix, file path, or trailing period. |
| Docstring Coverage | |
No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0… |
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| No Placeholder Implementations | |
The pull request changes only plans/master-implementation-plan.md. The added lines contain no executable placeholder and no newly added TODO, FIXME, HACK, or XXX marker. |
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The pull request changes only plans/master-implementation-plan.md. Added lines contain no Rust, Python, or TypeScript diagnostic-suppression forms. No blanket diagnostic suppression was added. |
| Behavior Change Carries A Test | |
The pull request changes only plans/master-implementation-plan.md. The diff contains no edits under src/, lib/, or a package source directory, and it adds no runtime behavior. This is a document… |
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No Cargo.lock file is added or modified in the reviewed range. The only changed file is plans/master-implementation-plan.md, so the check's failure condition does not apply. |
| Crate Readme Is The Crate Documentation | |
The pull request changes only plans/master-implementation-plan.md. It does not change README.md or src/lib.rs, so this check does not apply. |
| Pre-Alpha Has No Deployments | |
The workspace package version is 0.0.0. The pull request adds only planning text. None of the added lines mention a migration guide, migration SQL, an upgrade path, existing deployments, version-bump … |
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Full details: Behavior Change Carries A Test
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Explanation
The pull request changes only
plans/master-implementation-plan.md. The diff contains no edits undersrc/,lib/, or a package source directory, and it adds no runtime behavior. This is a documentation-only change, which the check explicitly passes.
Full details: Pre-Alpha Has No Deployments
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The workspace package version is 0.0.0. The pull request adds only planning text. None of the added lines mention a migration guide, migration SQL, an upgrade path, existing deployments, version-bump coordination, a flag day, a rollout sequence, a deprecation window, a backward compatibility shim, or an alias for old clients.
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #172 +/- ##
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+ Coverage 87.78% 87.87% +0.08%
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Files 188 196 +8
Lines 50326 57270 +6944
Branches 50326 57270 +6944
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+ Hits 44179 50325 +6146
- Misses 4059 4760 +701
- Partials 2088 2185 +97
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Actionable comments posted: 1
- 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @plans/master-implementation-plan.md:
- Line 5945: Revise the handshake comparison in decision 9 to use an
authoritative previous resolved subject set, so a client-stated set cannot
suppress detection of removed subjects such as K. Allow the stated set only to
add resnapshot candidates; when the prior resolved set is unavailable, require a
full resync that explicitly drops existing subscription rows before rebootstrap.
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This fills in R95's section of the plan so the phase can be built. A running client gets a call to add and remove share keys. A control message replaces the session's grant set, and the server swaps the principal and resends every subscription the change reaches. The resend is needed on any route, because a catch-up never shows or hides a row that did not change.
The other decisions follow from the tree and from how Convex, Zero, Supabase, Ably, PowerSync, Electric and Couchbase Lite handle the same problem. A key expires on both sides as a removal. On main today an open connection keeps a key past its exp. A change made while offline reaches the server at the next handshake, as the set the server last acknowledged. The browser keeps a signed-in client's keys in IdbKeyStore beside the replica key. Connetto adds no consistency token and writes no account rows.
The section names the five pull requests the build will take: the wire, the server, the native client, the browser and the documents.
Share keys currently take effect only at handshake, so applications cannot update access on a running client and open sessions can retain expired keys. R95 defines replacement of the session’s grant set and resends affected subscriptions, because catch-up alone cannot reveal or hide unchanged rows.
The plan also defines expiry and offline reconciliation, and stores keys for durable clients. It remains a design in progress, with seven planned pull requests and proof targets. The supplied evidence does not establish implementation or test results.