After a codecontext overview-class tool call lands (get_codebase_overview, get_framework_analysis, get_semantic_neighborhoods), the pipeline runs a second inference pass that replaces the recursive runAssistantTurn. The synth pass auto-fetches the top-N source files referenced in the codecontext output plus project docs (BOOCHAT.md, AGENTS.md, *roadmap*.md, CONTEXT.md), applies a 32k-token budget with explicit drop-priority, and streams a structured response that grounds the model in real load-bearing code rather than relying on the codecontext summary alone. Smoke #1 (default) and #2 (Architect) both cite the correct inference/turn.ts + tool-phase.ts + stream-phase.ts files; smoke #6 (fault injection) verifies the fall-through path marks the synth message status='failed' and yields cleanly to the recursive turn. ## Truncation-aware extraction codecontext's wrapper inline-truncates results at 32k chars. Without the expansion step, the top-N file selection only saw the alphabetical head of the codebase (apps/booterm/dist/*) and auto-fetched the wrong sources. The pipeline now calls in-process readTruncation(outputPath) before extracting referenced files, so top-N selection sees the full 80k+ char output. The 32k truncated head still ships to the synth model — the expansion is reference-extraction-only, preserving the token-budget contract. Graceful degradation on readTruncation null/throw: log warn, fall back to the truncated head. ## Schema deviation from dispatch The dispatch claimed no schema migration was needed for the new 'synthesis' part kind. Reality: message_parts.kind has an explicit CHECK constraint (schema.sql:54) that would reject the new value. Added a DROP CONSTRAINT IF EXISTS + DO $$ pg_constraint idempotency-guarded re-add matching the CLAUDE.md migration pattern. The inline CREATE TABLE constraint also updated so fresh installs land with the extended enum. ## User-abort marks synth-message failed Deviation from review-time spec ("user-abort path does NOT mark the message failed"). The outer abort handler in error-handler.ts operates on the parent turn's assistantMessageId, not the new synth row that runSynthesisPass created. Without explicit marking, the synth row would sit in status='streaming' until the 5-min stale-streaming sweeper (v1.13.1-cleanup-bundle), tripping the frontend's 60s no-token-activity banner in the meantime — exactly the UX bug class the v1.13.1 sweeper was added to handle. Marking failed on every catch path (including user-abort) closes the gap. Cost: one extra DB write + one publish on the rare user-abort-during-synth path. ## Race-safe synth-tool capture tool-phase.ts uses synthEntries: Array<{tc, output, error?}> with per-callback push under Promise.all. find() picks the first non-error entry by call-order (toolCalls array index). Multiple synth-tools in one batch are uncommon but handled deterministically. ## Roadmap rebase Updated boocode_roadmap.md retrospective section + cleanup-order tracker + schema-changes summary to use the new vMAJOR.MINOR.PATCH-slug tag names per the 2026-05-22 retag (CHANGELOG.md is the canonical record). v1.13.15 listed as "this batch, tag pending"; a one-line follow-up commit will remove that qualifier after the tag lands. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
openspec
Per-batch documentation convention adopted v1.13.15-openspec.
Lift source: Fission-AI/OpenSpec directory layout. No CLI dependency — just the folder shape. Full OpenSpec lifecycle adoption is a future v1.14+ batch.
Layout
openspec/
changes/
<slug>/ # one folder per shipped or planned batch
proposal.md # Why + scope summary
tasks.md # implementation step list
design.md # architecture / data-model decisions (optional)
specs/ # reserved for future OpenSpec CLI adoption
archived/ # snapshots of pre-v1.13.15 batch docs
<original-filename>.md
specs/ # global specs, future v1.14+ use
Conventions
- Slugs are lowercase-hyphenated derived from the batch title
(e.g.
v1-13-10-per-tool-cost,file-attachments-v3-5). - Already-shipped pre-v1.13.15 batches live in
changes/archived/as single-file snapshots. They were not split into proposal/tasks because the work was already complete; archiving preserves git history. - New v1.13.15+ batches should land directly in
changes/<slug>/proposal.md(+ tasks.md, + design.md when applicable). proposal.mdcarries the "Why" and scope.tasks.mdis the action list (numbered or checkbox).design.mdis for non-trivial architectural decisions worth recording separately.- A canonical dispatch brief (matching the v1.13.9 / v1.13.10 format) is most naturally split as proposal.md (Where we are, Why this matters, rationale sections) + tasks.md (Scope items, Build + smoke) + design.md (Attribution model, Filtering, Canonical mapping).