172 lines
9.7 KiB
Markdown
172 lines
9.7 KiB
Markdown
# Task: Implement PI-110 Renderer Snapshot Patch Store
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## Identity
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- Task ID: 20260823-pi-renderer-store-b7e2c4a1
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- Mode: Feature
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- Branch: codex/20260823-pi-renderer-store-b7e2c4a1-pi-renderer-store
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- Worktree: D:\Datas\OthersProjects\makelore-pi-renderer-store-b7e2c4a1
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- Base commit: a0722574f3b36cb73ec8833787711e6bef1c5c54
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- Owner: codex-root
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- Status: In Progress
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## Scope
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- Implement PI-110's vendor-neutral Renderer facade and one Zustand store keyed
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by stable Makelore `conversationId`.
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- Consume the shared PI-010 Snapshot/Patch reducer for snapshot-first SSE,
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stale-generation discard, target-only gap recovery, and reconnect.
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- Own per-Conversation snapshot/run/error/queue/model/draft/unread/cursor plus
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optimistic prompt request state and fine-grained selectors.
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- Add focused facade/store/SSE/render-count tests. Do not migrate Chat UI,
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feature-complete controls, or remove the old OpenCode store in this ticket.
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## Intent And Constraints
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- Base is the planner-approved PI-100 cumulative HEAD `a072257`; the exact and
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sole Ready Frontier is `{PI-110}`.
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- Renderer access goes only through `src/lib/host-api.ts`; the SSE facade must
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initialize the cached Host token/base before constructing EventSource.
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- Reuse the PI-010 contract/reducer as the single product normalization seam.
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The first real Renderer consumer exposed that its Electron-only source
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location requires unavailable composite-project declarations in a clean
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worktree, so the canonical modules now live in `shared/` and Electron keeps
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thin re-exports. Do not duplicate Pi/OpenCode event mapping or import vendor
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types, paths, wire enums, credentials, or raw diagnostics.
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- A generation/sequence gap invalidates and reloads only its target
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Conversation. Old generations are ignored and accepted prompts are never
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replayed because an event stream reconnects.
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- Optimistic user identity is stable across durable reconciliation by
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`clientRequestId`. Definite rejection and uncertain acceptance retain enough
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request/draft/attachment state for explicit UI recovery; neither path
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silently resends.
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- Store updates replace only the target Conversation entry. Timeline selectors
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for the selected Conversation must not rerender when a hidden Conversation
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streams; hidden/sidebar consumers use lightweight summaries.
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- PI-120 owns Composer and timeline UI; PI-130 owns model/thinking/queue/
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compaction/interaction/subagent/changes UI; PI-140 owns old OpenCode removal.
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- Real Provider remains Explicitly Waived / Accepted Risk with
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`realTurnVerified=false`; macOS remains deferred to mandatory PI-150. Neither
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is Pass evidence. No subagents are authorized.
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## Project Context Loaded
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- Task identity: `20260823-pi-renderer-store-b7e2c4a1`, feature mode, isolated
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branch/worktree above, base `a0722574f3b36cb73ec8833787711e6bef1c5c54`.
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- Concurrent Task Gate passed. The only semantically adjacent planning task,
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`20260820-partner-create-model-parity-c83d`, still has no defined scope or
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owned files. The canonical main integration task is Blocked and is not a
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write target. Other active tasks concern unrelated Canvas/Robot/Learning or
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review scopes.
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- Planning Gate inputs read: memory index, project positioning/success fields,
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current state, decision/system/architecture/domain documents, evidence/
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reflection/commitment/stale indexes, PI-010 and PI-100 records, and the exact
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PI-110 ticket plus relevant Spec sections.
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- The canonical project-positioning fields remain placeholders; repository
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guidance and the planner-owned Pi Spec/ticket are authoritative here.
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- Confirmed seams: vendor-neutral contracts and strict reducer in
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`electron/coding-runtime`, snapshot-first `/api/coding/events`, target GET
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snapshot, `hostApiFetch`, `ensureHostApiToken`, and Zustand selector patterns.
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- No accepted ADR changes product positioning or conflicts with this task.
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Existing real OpenCode/provider commitments remain historical and do not
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authorize a compatibility store or runtime fallback.
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- Gate result: Passed.
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## Plan
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1. Add a Renderer-owned type surface and minimal typed `/api/coding` facade for
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target snapshot, prompt acceptance, and initialized global/target SSE.
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2. Implement a dependency-injectable Zustand store that keeps reducer state,
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summary, draft, unread, request lifecycle, loading/recovery and errors per
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Conversation while owning selection and one global event stream.
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3. Route snapshot and ordered patch events through the shared reducer; ignore
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stale generation, reload only a gapped target, and never replay mutations on
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reconnect.
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4. Add optimistic user-node/draft/attachment reconciliation and granular
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selectors that preserve unrelated Conversation object identity.
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5. Add facade, two-Conversation SSE, gap/reconnect, optimistic failure, vendor
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boundary and render-count regressions; then run focused/full verification,
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build, documentation gates, and planner review.
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## Outcome
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- Added a Renderer-owned product type surface and minimal typed Host facade for
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target snapshots, prompt acceptance, and EventSource creation. EventSource
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construction first hydrates the cached Host token/base, including a cold
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Renderer process.
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- Added one dependency-injectable vanilla Zustand store with React selectors.
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Each Conversation owns its reducer snapshot/cursor, load and target error,
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unread state, lightweight summary, draft revision/attachments, and prompt
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request lifecycle. Store updates preserve unrelated Conversation identity.
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- Added snapshot-first SSE ingestion, native reconnect state, stale-generation
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discard, per-target sequence/generation-gap recovery, load single-flight,
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and connection-generation protection. Reconnect never replays a prompt and
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an obsolete connection flight cannot clear a newer one.
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- Closed the planner review's two P1 recovery windows: patches arriving while
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a target GET is in flight are buffered only for that invalidated Conversation
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and replayed in generation/sequence order after a valid Snapshot; unresolved
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pending/accepted/uncertain prompt requests re-overlay their local optimistic
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nodes after snapshot-first reconnect until a durable `clientRequestId`
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reconciliation arrives. Neither mechanism replays a mutation.
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- Added optimistic user nodes keyed by `clientRequestId`. Durable upsert keeps
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the optimistic UI node id; definite rejection restores an untouched draft
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and marks the node failed; uncertain delivery restores the draft while
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retaining the request/node for explicit reconciliation without resend.
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- Promoted the existing product-neutral PI-010 contracts, reducer, product
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detail validator, and subagent detail validator to `shared/`. Existing
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Electron paths are compatibility-free source re-exports of the same
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functions, so Main, Renderer, fixtures, and tests cannot drift into separate
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reducer implementations.
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- Added facade/store tests for two interleaved Conversations, target-only gap
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recovery, stale generations, native reconnect, connection-flight ABA,
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optimistic accepted/rejected/uncertain outcomes, attachment restoration,
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vendor-neutral source boundaries, shared reducer identity, and render-count/
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summary identity under hidden streaming.
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- PI-120/130/140 boundaries remain unchanged. No Chat page or legacy OpenCode
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store consumer was changed by PI-110.
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## Verification
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- `pnpm exec vitest run tests/unit/coding-conversations-facade.test.ts tests/unit/coding-conversations-store.test.tsx`:
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initial implementation 2 files / 12 tests passed; after review fixes, 2 files
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/ 13 tests passed, including delayed gap GET + concurrent patch replay and
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reconnect Snapshot optimistic-node continuity.
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- `pnpm exec vitest run` for the two PI-110 tests plus PI-010 contracts,
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coding core routes, event projector, Conversation runtime, product tools,
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and subagent suites: 8 files / 75 tests passed.
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- `pnpm run typecheck`: passed after the shared product seam removed the clean
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Renderer -> composite Electron declaration dependency.
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- `pnpm run lint:check`: passed with zero errors and the same six unrelated
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Renderer warnings in `ExecutionGraphCard.tsx`, Home, and Makelore.
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- `pnpm test`: 211 files / 2275 passed / 2 skipped (2277 total).
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- `pnpm run build:vite`: Renderer, Electron Main, Preload, and release utility
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production builds passed; existing dynamic-import and large-chunk warnings
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remain.
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- Electron E2E is not applicable yet: PI-110 intentionally exposes no page or
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user-visible interaction. The real Chat/Composer binding and its E2E belong
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to PI-120; the render-count store acceptance is covered directly here.
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- Real Provider remains Explicitly Waived / Accepted Risk with
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`realTurnVerified=false`. macOS x64/arm64 remains deferred to mandatory
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PI-150. Neither is recorded as Pass.
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- Planner review of `a072257...36626c8`: Standards PASS / 0 findings; Spec
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Needs Fix with two P1 findings for recovery-window patch loss and reconnect
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Snapshot optimistic-node loss. Both independent reproductions were accepted
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and fixed locally with the focused regressions above; fixed-range re-review
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remains required before PI-110 can be marked Done.
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## Follow-ups
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- PI-120 should bind the Composer/timeline to this store without restoring any
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read from `src/stores/opencode.ts`.
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## Promotion Candidates
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- Type: Architecture. Proposal: keep Makelore-owned Conversation contracts and
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the strict Snapshot/Patch reducer in `shared/`, with Main and Renderer
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importing/re-exporting that single implementation rather than depending on
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Electron composite build artifacts or copying normalization logic. Evidence:
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clean `pnpm run typecheck`, shared/Main function identity regression, 8-file
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75-test impacted suite, and full 211-file unit/build verification. Future
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impact: PI-120/130 can consume product DTOs without vendor/Main imports; any
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contract amendment must retain Main/Renderer reducer equivalence.
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