docs(openspec): 收紧当前 Thread 引用并定义低成本 Prompt Cache 架构 - #49

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hifizz wants to merge 186 commits into

codex/feat-agent-observability-evaluationfrom

codex/design-thread-chat-prompt-cache

Commits on Aug 29, 2026

docs(openspec): propose thread-chat prompt cache optimization
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docs: add plain-language prompt cache research
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Commits on Aug 31, 2026

docs(openspec): define multi-quote backend and cache contracts
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docs(openspec): align cache contracts with latest backend
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docs(openspec): unify quote drafts and cache policy
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docs(openspec): narrow quote scope to current thread
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docs(openspec): define current-thread quote and cost-first cache design
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docs(openspec): restrict message quotes to current thread
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docs(openspec): simplify composer quotes to current thread
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docs(openspec): make cache policy quality-gated and cost-first
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docs(openspec): align tasks with current-thread quote scope
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docs: explain current-thread quote and cheapest-safe cache policy
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docs(openspec): make composer frontend boundary normative
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feat(thread-chat): add quote and prompt cache contracts
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feat(thread-chat): define versioned quote protocol
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feat(thread-chat): type quote message parts
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feat(thread-chat): accept current-thread quote selections
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feat(thread-chat): add input budget error
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feat(thread-chat): enforce quote and input budgets
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feat(thread-chat): resolve and authorize quote selections
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feat(thread-chat): add deterministic quote model serialization
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feat(thread-chat): build ordered quote user parts
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refactor(thread-chat): use structured user parts
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feat(thread-chat): materialize quote parts on send
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feat(thread-chat): persist branch origin quote on first turn
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feat(thread-chat): preserve quotes across user edits
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fix(thread-chat): map input budget errors to 400
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fix(thread-chat): keep new quote fields client-compatible
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fix(thread-chat): default legacy send quote list
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fix(thread-chat): default legacy fork quote list
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feat(thread-chat): define multi-quote composer draft model
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feat(thread-chat): add prompt cache manifest primitives
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feat(thread-chat): add two-phase prompt compiler
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refactor(thread-chat): delegate context compilation to prompt compiler
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feat(thread-chat): introduce stable tool profiles
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feat(ai): expose resolved model route and cache capability
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feat(ai): add route-scoped prompt cache controls
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feat(thread-chat): compile cache-safe generation prompts
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feat(observability): add prompt cache metadata keys
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feat(thread-chat): run generation through prompt compiler
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test(thread-chat): add quote and prompt cache contracts
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test(thread-chat): add prompt cache verification scripts
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fix(thread-chat): preserve locked package versions
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ci: verify prompt cache implementation
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feat(chat): make stable attachment resolution deterministic
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fix(thread-chat): isolate dynamic attachment retrieval from stable history
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refactor(chat): keep thread system prompt stable
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feat(ai): normalize prompt cache usage per model step
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feat(ai): collect cache-aware model attempts
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feat(thread-chat): collect cache usage for every model step
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fix(thread-chat): parse unknown quote part payloads
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fix(ai): use JSON-compatible provider option types
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fix(thread-chat): await AI SDK message conversion
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feat(ai): expose model attempt summary contract
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refactor(thread-chat): share deterministic quote serialization
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feat(thread-chat): attach model attempt cache summaries to traces
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feat(ai): add cache cost and quality probe evaluator
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feat(ai): add fake-safe prompt cache probe command
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docs: add prompt cache runtime configuration
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feat(thread-chat): define tenant-isolated compiled segment cache
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feat(evals): fingerprint quote and prompt cache configuration
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feat(evals): include prompt cache configuration in candidate identity
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feat(evals): add prompt cache suite and expected signals
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feat(evals): include model attempts and cache summary
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feat(evals): persist cache summaries in experiment results
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fix(evals): preserve existing dataset revisions
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feat(evals): expose fixture cache attempts and summaries
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chore: add prompt cache probe and evaluation commands
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ci: run fake cache probe and eval contracts
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feat(ai): select cache breakpoints and contain option failures
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test(thread-chat): cover cache usage cost and multi-quote boundaries
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feat(evals): score prompt cache structure and evidence
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feat(evals): include quote protocol diagnostics in cache summary
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feat(evals): add quote protocol fields to cache fixtures
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feat(evals): expose quote protocol diagnostics from fixtures
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feat(evals): add isolated prompt cache evaluation suite
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test(evals): verify isolated prompt cache suite
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chore: add isolated prompt cache eval command
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ci: run isolated prompt cache Agent Eval
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feat(thread-chat): enforce current-thread composer quote entrypoints
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test(thread-chat): verify current-thread quote draft flows
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chore: add composer quote contract test
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ci: verify quote composer draft contracts
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test(thread-chat): verify quote authorization with fake transaction
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ci: verify quote resolver authorization
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feat(ai): retry cache-control rejection before output
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test(thread-chat): verify route rollout TTL and stream fallback
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feat(ai): infer cache eligibility warmth and provider evidence
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test(thread-chat): verify cache state explanations
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ci: add full prompt cache apply verification
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docs: document prompt cache implementation and operations
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docs: define frontend quote composer handoff
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docs: record prompt cache route probe registry
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docs: add isolated prompt cache environment example
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feat(ai): build deterministic provider cache marker plans
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test(thread-chat): verify fake provider cache marker plans
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test(thread-chat): verify quote edit intent preservation
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feat(thread-chat): define conservative prompt preflight reserve
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ci: record prompt cache base branch baseline
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fix: export prompt cache ttl class
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fix: complete prompt cache rollout policy helpers
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fix: expose prompt cache fallback ttft
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test: model visible output before cache stream failure
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test(thread-chat): guard prompt cache architecture boundaries
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fix: contain rejected primary cache usage
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feat: compose route-scoped prompt cache controls
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feat: apply cache markers at stable prompt boundaries
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feat: attach prompt cache ttft to model attempts
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feat: integrate route-scoped prompt caching into generation
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feat: record prompt cache fallback and ttft
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test: verify compiled cache boundary markers
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ci: cover prompt cache adapters and compiled boundaries
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ci: run complete prompt cache boundary coverage
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feat: reserve runtime budget before paid routing
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feat: preflight prompt budget before routing calls
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test: include prompt cache strategy diagnostics
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fix: preserve prompt cache probe compatibility
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fix: preserve compiled segment cache call compatibility
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test: assert explicit short cache ttl markers
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test: consume cache stream usage rejection
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docs(openspec): align cache rollout with quote-safe prompt
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ci: prepare normalized thread chat test database
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ci: prepare normalized database for base baseline
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ci: enforce prompt cache architecture invariants
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ci: enforce prompt cache architecture in full verification
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docs: clarify quote-safe cache rollout modes
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ci: initialize guarded evaluation database
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refactor: remove invalid fork additional quotes
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refactor: make fork first turn origin-only
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test: enforce origin-only fork first turn
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ci: verify origin-only fork first turn
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ci: include origin-only fork contract in full verification
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feat(cache): enforce quote and model input budgets
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feat(quotes): validate and freeze current-thread quote selections
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docs(cache): start OpenSpec apply progress log
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feat(cache): expose model route and cache capabilities
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feat(cache): add route-scoped rollout and short TTL policy
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feat(cache): select deterministic provider cache boundaries
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feat(evals): add deterministic prompt cache fixtures and scorers
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test(evals): gate prompt cache savings behind quality and isolation
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feat(quotes): centralize completed current-thread source policy
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feat(cache): retry rejected cache controls before visible output
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test(quotes): reject cross-thread sources at the database boundary
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ci(cache): schedule deterministic cache cost regression probes
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docs(cache): document implemented quote and prompt cache architecture
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docs(cache): record route probes, TTL and cost gates
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docs(composer): hand off stable quote draft contracts
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test(composer): cover batch annotations and canonical one-message submission
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test(cache): retry cache compatibility failures only before output
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feat(observability): allowlist metadata-only prompt cache telemetry
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test(observability): exclude prompt and quote content from cache telemetry
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test(cache): keep observe shadow-only and enabled compiled
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feat(cache): track cold, partial, expired and route-drift prefixes
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Commits on Sep 1, 2026

test(cache): classify cold, warm, expired and route-drift prefixes
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test(cache): cover cohorts, budgets, cost and edit preservation
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test(cache): measure first output across cache fallback
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test(quotes): verify direct and delayed fork first turns are equivalent
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docs(cache): add server-only rollout configuration example
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docs(cache): record base baseline and implementation evidence
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feat(thread-chat): add quote protocol constants
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feat(thread-chat): add current-thread quote selection contract
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feat(thread-chat): add current-thread quote draft model
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test(thread-chat): cover quote protocol and composer contracts
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ci(thread-chat): validate prompt cache implementation
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test(thread-chat): cover quote authorization boundaries
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feat(thread-chat): add prompt cache policy versions
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feat(thread-chat): define prompt cache compiler contracts
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feat(thread-chat): add stable prompt hashing
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feat(thread-chat): compile stable prompt base segments
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feat(thread-chat): define stable generation tool profiles
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feat(thread-chat): add route-scoped prompt cache controls
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feat(thread-chat): enforce preflight input budgets
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feat(thread-chat): finalize cache-aware generation prompts
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test(thread-chat): cover prompt cache compiler invariants
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feat(thread-chat): normalize prompt cache usage per model step
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test(thread-chat): cover cache usage normalization
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feat(thread-chat): define prompt cache route probe policy
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test(thread-chat): cover fake route cache probes
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feat(prompt-cache): add deterministic fake cache probe
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ci(prompt-cache): schedule deterministic cache probe
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test(thread-chat): cover branch draft and annotation aggregation
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test(thread-chat): cover breakpoint and cache outcome states
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feat(thread-chat): contain cache usage parsing failures
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feat(thread-chat): add cache-control stream fallback
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test(thread-chat): cover cache control fallback safety
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test(thread-chat): prove both fork first-turn paths are model equivalent
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