f3d18401ac54f2e8482fd90c81513aede53a858a
2 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 David Blass
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dd26d35137 |
learnings: audit fixes — preamble in TOC, server-side line-boundary truncation, empty-repo intro (#743)
* learnings: surface preamble in TOC, mirror line-boundary truncation server-side, fix empty-repo intro copy three audit fixes on top of the recent learnings overhaul (#717): - `parseLearningsHeadings` now prepends a synthetic `(preamble)` entry when a body has non-whitespace content before the first heading. the prompt instructs the agent NOT to slurp the whole file when a TOC is present, so without this any preamble lines were silently invisible (realistic transitional case: an agent partially restructures a legacy free-text body and leaves bullets above the first `## `). - server-side PATCH route now applies the same line-boundary-aware truncation as the action (defense in depth via a shared `truncateAtLineBoundary` + `MAX_LEARNINGS_LENGTH` exported from `action/internal`). the raw `.slice` it used before could leave a mid-heading tail on any caller that bypassed the client-side truncate, breaking the next-seed TOC parse. removes the duplicated cap constant. - `buildLearningsSection` intro no longer asserts "accumulated by previous agent runs" — false for fresh repos with zero history. new copy is tense-neutral and works for empty + populated bodies. also nudges the agent to re-read after mid-run edits (the inlined TOC ranges are a run-start snapshot). Co-authored-by: Cursor <cursoragent@cursor.com> * learnings prompt: tighten to single evergreen test, allow tool-quirk bullets when they prevent repeat waste The blanket "no pullfrog tool quirks" ban was wrong — if the agent burned calls discovering a quirk this run, recording the workaround prevents the next run from repeating the waste. Reframe around one litmus ("would a future run do its work better because this bullet exists?") and trust it to subsume the scattered don'ts. Drop the 3+ months timeframe (arbitrary) and the four-example pullfrog/PR/date/play-by-play list (the rule underneath is "don't anchor facts to repo state that will move"). Cuts ~10 lines from a prompt the model was already mostly ignoring; the remaining anchor list is narrower and more enforceable. * audit-learnings-r2: align wiki + tighten re-read nudge - wiki/prompt.md described the post-run reflection prompt as "bans pullfrog-tool quirks (those belong in tool descriptions, not per-repo learnings), bans PR/review/commit/date references" — that's stale after the prompt rewrite. update to: single-litmus framing, expanded anchor list (now includes version pins + line numbers), and explicit allowance for tool-quirk workarounds when discovery burned calls. - buildLearningsSection re-read nudge said "re-read after editing" which can be read as "re-read the section you edited". in fact any edit shifts the line numbers of every later section in the TOC, not just the edited one. tighten to make that explicit. mirror the new wording in the wiki example block. update the test substring assertion accordingly. * postRun: refresh JSDoc to match the reflection prompt rewrite `buildLearningsReflectionPrompt`'s JSDoc still listed "PR-/review-/commit-/date-anchored facts" and "rediscovery of pullfrog-tool quirks" as failure modes the prompt pushes back on. after b586b4f8 the prompt no longer bans tool-quirk bullets (it explicitly allows them when the agent burned calls discovering the quirk), and the anchor list expanded to cover branch refs, version pins, and line numbers too. update the JSDoc so it describes the prompt that actually exists, and call out the cross-repo drift tradeoff that comes with allowing tool-quirk bullets. * fix(mcp/issueEvents): narrow event.event before Set.has lookup octokit's listEventsForTimeline union includes timeline-event members where `event` is `event?: string`. `("event" in event)` does not narrow that property to non-undefined, so `relevantEventTypes.has(event.event)` was passing `string | undefined` to a `Set<string>.has`. typescript only flagged this once `cf-worker-indexing` started seeing the file via the type graph that now reaches mcp through the new `truncateAtLineBoundary` re-export in `action/internal/index.ts`. fix the latent bug at the source: require `typeof event.event === "string"` before the Set lookup. * learnings: split truncation helpers into MCP-free module re-exporting `truncateAtLineBoundary` + `MAX_LEARNINGS_LENGTH` from `action/utils/learnings.ts` through `action/internal/index.ts` accidentally pulled the entire MCP type graph into the SDK barrel: `learnings.ts` imports `ToolContext` from `mcp/server.ts`, which transitively wires every tool module under `action/mcp/` into anything that imports from `pullfrog/internal`. for `cf-worker-indexing/tsconfig.json` (`customConditions: ["@pullfrog/source"]`) and the root `tsc` (which compiles the proprietary app routes that import from `pullfrog/internal`), this expanded the type-checked surface and surfaced two latent issues in unrelated files (`mcp/issueEvents.ts`, `utils/subprocess.ts`). a 6-line pure string helper has no business dragging mcp/server.ts into anyone else's type graph. move both symbols to `action/utils/learningsTruncate.ts`. `learnings.ts` re-exports them so existing callers keep working; `internal/index.ts` re-exports from the truncate-only module so the SDK barrel stays MCP-free. --------- Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: Colin McDonnell <colinmcd94@gmail.com> |
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David Blass
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5518890b18 |
learnings: TOC + section taxonomy + 100k cap, hygiene rules, tool-quirk descriptions (#717)
* audit learnings: reshape reflection prompt + bake tool quirks into descriptions (#619) Cross-repo audit of the 48 repos with non-null learnings turned up two recurring failure modes: 1. ~25-30% of bullets across the most-active repos are pullfrog-tool quirks ("shell timeout is in milliseconds", "git args must be a JSON array", "create_pull_request_review drops out-of-hunk comments", "push_branch may report timeout when push succeeded", "checkout_pr shallow.lock retries", "commit_id needs full 40-char SHA"). These are universal across repos and should live in tool descriptions, not be rediscovered and stored 48 times. Tool descriptions now surface them. 2. Bullets are routinely 200-1000 chars (paragraph-length), and 12 of 48 repos are at the 10k cap. The reflection prompt now: caps bullets at ~240 chars (one specific fact), bans PR/review/commit/date-anchored facts that decay within weeks, bans tool-quirk learnings, and tells the agent that cap pressure means compress+prune existing bullets, not skip new findings. Co-authored-by: Cursor <cursoragent@cursor.com> * learnings: add server-generated TOC, fixed section taxonomy, raise cap to 100k (#707) Cap goes 10k → 100k. Reads stay bounded because the seeded file now opens with a server-generated table of contents listing every `## ` section's line range — agents read the TOC, then `read_file offset/limit` just the sections relevant to the current task instead of slurping the whole file. ## Section taxonomy (fixed) `## Build & test`, `## CI`, `## Conventions`, `## Architecture`, `## Gotchas`. Free-form `### ` sub-headings inside a section are fine. Pre-taxonomy free-text rows get wrapped in a `## Legacy` carve-out on first seed so they remain visible while the agent gradually re-curates them during reflection turns. ## Storage shape unchanged `Repo.learnings` still holds raw markdown (no schema migration). The TOC is a pure read-side affordance: prepended at seed time, stripped from the agent-edited file before persist. Markers `<!-- pullfrog-learnings-toc:* -->` delimit the strip region. Agent edits inside the markers are discarded. ## Round-trip semantics `seedLearningsFile` now returns `{ path, canonicalSeed }` where `canonicalSeed` is the post-TOC body — same shape `readLearningsFile` returns at end-of-run, so `persistLearnings` byte-compares them directly to skip the no-op PATCH. Empty-repo first runs end up with the section scaffold both as seed and as read-back, so untouched runs still short-circuit cleanly. ## Reflection prompt Adds explicit section-placement guidance (place each new bullet under the most relevant `## `; do NOT add new top-level headings; do NOT edit anything between the TOC markers). Carries forward the bullet hygiene from the previous commit: ≤240 chars per bullet, no pullfrog-tool quirks (those belong in tool descriptions), no PR/review/commit/date references. The "near cap" framing is replaced with "compress and prune within a section when it grows noisy" since the cap pressure that drove cramming is gone. Co-authored-by: Cursor <cursoragent@cursor.com> * anneal round 1: line-anchored taxonomy detect, partial-merge, line-boundary truncation, scaffold-empty UI Multi-lens review of the TOC + taxonomy diff surfaced a cluster of correctness and operational bugs. Fixes: - `hasAnyTaxonomyHeading` used `String.includes("## X")` which false-positives on `### X` (the `## ` substring sits inside `### `), prose containing `## CI`, fenced code documenting markdown, etc. Replaced with a line-anchored predicate that reuses `parseHeadings` so detection and TOC construction stay consistent. - The "any heading present → pass through verbatim" rule meant a body with one taxonomy heading would seed without the other four. Worse, requiring all five would flip a body back into Legacy when the agent legitimately pruned a section to empty. New `partial` kind: keep existing content in place, append missing sections in canonical order so the agent always has the full scaffold without losing pruning intent. - `stripLearningsToc` collapsed `\n{3,}` globally; `canonicalSeed` doesn't, so an untouched body with intentional triple-newline spacing would compare unequal and burn a spurious LearningsRevision row each run. Drop the global collapse — only the leading newlines that the strip itself introduces are normalized. - 100k truncation via `slice(0, 100_000)` could cut mid-line, breaking `parseHeadings` (whole-line `^## `) on the next seed and flipping a cut body back into Legacy. New `truncateAtLineBoundary` cuts at the last newline before the cap. - `LearningsSection.tsx` rendered a scaffold-only body as "has learnings" instead of the empty placeholder. Added a `hasOnlyEmptyScaffold` guard so the console behaves the same as pre-PR for the empty case. - Seed log line distinguishes `kind=structured/partial/legacy-wrapped/ empty` instead of `existing=yes/no`, so operators can spot legacy migration activity in logs. - New tests cover: substring false-positive (`### Build & test`, in-prose mentions), partial-taxonomy merge (no Legacy wrap), full-taxonomy structured pass-through, last-newline truncation, triple-newline preservation. Deferred (documented in PR body): deploy-ordering footgun (action before API), rollback for rows >10k, Gemini sanitizer dropping `description` on `anyOf` branches, reflection-on-failed-runs. Co-authored-by: Cursor <cursoragent@cursor.com> * anneal r2: hard-truncate fallback when line boundary discards >4k Round-2 review caught a regression in `truncateAtLineBoundary`: when the only newline within the first 100k chars sits near the start (e.g. one heading + 100k+ char single line — pathological pasted log dumps), the line-boundary cut discards almost all of the body. losing one partial line is preferable to losing kilobytes; threshold the fallback at 4k. Co-authored-by: Cursor <cursoragent@cursor.com> * move TOC out of file: prompt-side rendering, server-parsed headings drops the in-file TOC + fixed taxonomy in favor of: - file on disk = verbatim Repo.learnings (no markers, no scaffold) - server parses headings (mdast-util-from-markdown) at run-context time and returns them as RepoSettings.learningsHeadings - action renders heading TOC into the LEARNINGS prompt section as parenthesized line ranges like `Build & test (L1-L42)` with hierarchy via 2-space indent off the shallowest depth - reflection prompt teaches agent-curated structure with a soft 300-line per-section cap and explicit guidance to restructure flat legacy lists cuts 8 helpers (ensureSections, stripLearningsToc, assembleFile, buildTocBlock, parseHeadings, buildSectionScaffold, hasAnyTaxonomyHeading, LEARNINGS_SECTIONS) and the canonicalSeed round-trip dance. action seedLearningsFile is now { path } only; main.ts byte-compares the trimmed read-back against (current ?? "").trim() to gate the persist PATCH. truncateAtLineBoundary kept for safety. new tests: - test/learningsToc.test.ts (11 parser cases incl. fenced-code, blockquote, arbitrary h1-h6 nesting, startLine-points-at-heading invariant) - action/utils/learningsTocRender.test.ts (7 renderer cases) --------- Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: Colin McDonnell <colinmcd94@gmail.com> |