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Fix missing-provider scans and sampled savings labels - #35
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Why: Missing provider roots crashed scans, while savings output paired full discovery counts with one sampled source's byte totals.\n\nWhat: Skip absent stores at the shared discovery boundary and label copy-proof scope, sampled sources, and proof-only bytes in human and JSON output.\n\nImpact: Read-only scans work on partially installed provider sets and savings reports no longer imply whole-store estimates.
Why: The integration script could not discover tests, leaving real CLI boundaries uncovered.\n\nWhat: Add a dedicated Vitest integration config and a temporary-HOME CLI test for missing stores, sampled output, and untouched source bytes.\n\nImpact: CI can enforce both regressions without reading or modifying real session directories.
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📝 WalkthroughWalkthroughThe CLI now treats missing provider stores as empty, reports sampled evidence separately from discovered sessions, updates human-readable savings output, and adds integration coverage for read-only scan and check behavior. ChangesDiscovery and evidence reporting
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🔵 Low · up to The PR makes missing provider roots skippable and clarifies sampled savings output, but a provider store removed during discovery can still cause a scan error instead of being treated as absent. This is a bounded reliability risk requiring owner follow-up; the changed exported contracts also need documentation. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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Actionable comments posted: 2
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Inline comments:
In `@src/core/localEvidence.ts`:
- Around line 24-27: Add TSDoc summaries to the exported types
LocalEvidenceEntry and LocalEvidenceReport, documenting that foundSessions
represents discovery scope, sampledSources represents copied-proof scope, and
the report represents sampled-copy proof scope. Keep the change limited to
documenting these exported contracts.
In `@src/core/sessionStore.ts`:
- Around line 334-340: Update the discovery flow around provider.discover(store)
to catch ProviderDiscoveryError, re-check store.path, and return [] only if the
store has been removed; re-raise the original error when it still exists. Add
regression tests covering both store-removal and store-preservation cases.
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📒 Files selected for processing (10)
package.jsonsrc/cli/commands/savingsCommand.test.tssrc/cli/commands/scanCommand.test.tssrc/core/localEvidence.tssrc/core/sessionStore.test.tssrc/core/sessionStore.tssrc/output/evidenceOutput.test.tssrc/output/evidenceOutput.tstests/cli.integration.test.tsvitest.integration.config.ts
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| const exists = yield* providerStoreExists(store); | ||
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| if (!exists) { | ||
| return []; | ||
| } | ||
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| return yield* provider.discover(store); |
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Suggestion: The existence check and discovery are separate filesystem operations, so a provider root can be removed or become inaccessible after providerStoreExists returns true. In that case provider.discover(store) propagates an ENOENT/access error and can still fail the entire scan, defeating the new absent-store behavior. Handle disappearance during discovery as an empty result, or make the provider discovery operation itself tolerate ENOENT. [race condition]
Severity Level: Major ⚠️
- ❌ All-provider scans abort when stores disappear during discovery.
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**Path:** src/core/sessionStore.ts
**Line:** 334:340
**Comment:**
*Race Condition: The existence check and discovery are separate filesystem operations, so a provider root can be removed or become inaccessible after `providerStoreExists` returns `true`. In that case `provider.discover(store)` propagates an `ENOENT`/access error and can still fail the entire scan, defeating the new absent-store behavior. Handle disappearance during discovery as an empty result, or make the provider discovery operation itself tolerate `ENOENT`.
Validate the correctness of the flagged issue. If correct, How can I resolve this? If you propose a fix, implement it and please make it concise.
Once fix is implemented, also check other comments on the same PR, and ask user if the user wants to fix the rest of the comments as well. if said yes, then fetch all the comments validate the correctness and implement a minimal fixThere was a problem hiding this comment.
Fixed in c1df9f4 with a post-failure existence check and regression coverage for both disappearance and genuine provider errors.
| evidence.push({ | ||
| provider: provider.id, | ||
| foundSessions: sessions.length, | ||
| sampledSources: 1, |
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Suggestion: The report only creates an entry after an eligible session has been selected, so sampledSources: 1 is never emitted for providers whose discovered sessions are all oversized. Those providers disappear from the report entirely, causing the discovered and sample totals to omit sessions that were actually found. Preserve a provider-level discovery record, including zero sampled sources, or return discovery counts separately from successful proof entries. [incomplete implementation]
Severity Level: Major ⚠️
- ❌ Oversized-only providers vanish from savings evidence.
- ⚠️ Discovered totals exclude sessions without proof samples.Prompt for AI Agent 🤖
This is a comment left during a code review.
**Path:** src/core/localEvidence.ts
**Line:** 141:141
**Comment:**
*Incomplete Implementation: The report only creates an entry after an eligible session has been selected, so `sampledSources: 1` is never emitted for providers whose discovered sessions are all oversized. Those providers disappear from the report entirely, causing the discovered and sample totals to omit sessions that were actually found. Preserve a provider-level discovery record, including zero sampled sources, or return discovery counts separately from successful proof entries.
Validate the correctness of the flagged issue. If correct, How can I resolve this? If you propose a fix, implement it and please make it concise.
Once fix is implemented, also check other comments on the same PR, and ask user if the user wants to fix the rest of the comments as well. if said yes, then fetch all the comments validate the correctness and implement a minimal fixThere was a problem hiding this comment.
Fixed in c1df9f4. Oversized-only providers now retain a discovery entry with sampledSources: 0; human output renders proof measurements as unavailable instead of dropping their session counts.
Why: Review identified that stores could disappear after the existence check and oversized-only providers vanished from discovered totals.\n\nWhat: Recheck failed discoveries before suppressing ENOENT-like removal, preserve genuine errors, retain zero-sample discovery entries, and document the evidence scope.\n\nImpact: All-provider proof reports remain accurate across filesystem races and sampling limits.
Verification update —
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User description
Fixes #34
Summary
ENOENT.Confidence
7/10 — Unit, CLI integration, full lint/typecheck/test/build gates are green and source bytes are asserted unchanged; local
actand hosted CI are still pending.Test plan
pnpm test→ 129 passedpnpm test:integration→ 1 passedpnpm check:ci && pnpm typecheck && pnpm test && pnpm test:integration && pnpm build→ passMain safety
main@6117510fix/34-provider-scan-savingsCodeAnt-AI Description
Make provider scans resilient to missing stores and clarify sampled savings evidence
What Changed
Impact
✅ Reliable scans on partially installed provider sets✅ Clearer sampled savings results✅ Original session files remain untouched💡 Usage Guide
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Summary by cubic
Handle missing and transiently removed provider stores in scans and make sampled-proof scope explicit in savings/check output. Previously, missing roots crashed with ENOENT and providers with only oversized sources vanished from reports; now scans succeed, ENOENT-like races are suppressed, and unsampled providers remain visible.
ProviderDiscoveryError. Shared guarddiscoverStoreSessionsis used across scan and evidence paths.scope: 'sampled-copy-proof'and per-providersampledSources, and keeps byte/exactness fields only when a sample was copied.HOMEto assert missing stores are skipped, output is labeled, and originals are untouched.Migration
scopeandsampledSources, and treat byte/exactness fields as optional whensampledSourcesis 0.sessionsinstead; expect discovery errors to persist when the store still exists.Written for commit c1df9f4. Summary will update on new commits.
Summary by CodeRabbit
Bug Fixes
Improvements
Tests