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…-moment guess scored against actual row body (mixed accuracy across layers) Per the guess-then-verify architectural-intent calibration protocol (PR #1278; Aaron 2026-05-03), this commit follows the prior in-the-moment guess (PR #1279, committed cf1dc7b 2026-05-03 ~02:42Z) by recovering ground truth via direct read of B-0173's row body and recording the calibration delta. **Calibration result by layer:** - Architectural intent: 6/10 PARTIAL-MATCH — got harness-native + separation-of-concerns; missed the contract-based development / Design-by-Contract / OpenSpec primary frame Aaron named verbatim - Substrate-content: 5/10 MIXED — right path (tools/git/hooks/); right pre-commit hook; missed the multi-hook architecture (commit-msg + CI workflow on PR descriptions are separate surfaces) - Specific implementation: 3/10 MOSTLY-OFF — confused git hooks with Claude Code's .claude/settings.json hook system (fundamentally different mechanisms); missed strict-vs-warn mode + per-check opt-out via comment markers - Cross-row composition: 5/10 — got B-0170 (substrate-claim-checker) implicit; missed B-0171 (OpenSpec) as load-bearing contract source **Pattern observed**: Inference defaults to generalization-from-principle rather than specific-mechanism-recall. Strong on principles (separation of concerns; harness-native; composition); weak on specifics (which hook system; which timing windows; which contract source). For substrate-content + implementation specifics, principle-based inference is unreliable; specific-mechanism-research is needed. **Self-confidence calibration**: well-calibrated — high-confidence layer (architectural) scored highest; low-confidence layer (specific implementation) scored lowest. Confidence levels matched accuracy ordering. **Cross-model retroactive replay readiness**: this calibration data point is now reproducible — give another model B-0173's row title only + the same prior-substrate context, see how their guess compares. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Pull request overview
Records the recovered ground truth for the first “guess-then-verify” architectural-intent calibration data point (B-0173), and documents the resulting calibration delta across multiple inference layers.
Changes:
- Populates the previously-empty “Ground truth” section by quoting and summarizing the B-0173 backlog row body.
- Adds a structured “Calibration delta” section comparing the initial guess vs recovered ground truth.
- Appends timestamps and recovery method details for reproducibility.
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Both findings (P1 truth-drift) addressed in follow-up #1285. The recovery section conflated 'what B-0173 proposes' with 'what currently exists' — fix adds explicit '(proposed in B-0173 — does NOT yet exist)' qualifiers + '(not yet recognized by v0.4.4)' notes on env var + opt-out markers. This was a substrate-claim-checker existence-drift class violation that should have been caught at write-time. v0.4.4 only covers count-drift; the same tool would catch this via the existence-drift sub-class check when v1+ adds it (per B-0170 follow-up). Resolving — fix is in #1285 with auto-merge armed. |
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… section — clarify proposed-vs-current state (#1285) #1280's review (post-merge) flagged P1 truth-drift: my recovery section described B-0173's proposed hooks (pre-commit / commit-msg / CI workflow) + implementation details (env-var-mode-switch, opt-out comment markers) in a way that read as if these files / features already existed. They don't. B-0173 is an open backlog row; tools/git/hooks/ does not exist on main; substrate-claim-checker v0.4.4 doesn't recognize the env-var or opt-out markers — these are all B-0173 deliverables to be implemented when the row is picked up. Fix: explicit "(as PROPOSED in B-0173 — these files do NOT yet exist)" qualifier on the substrate-content section header + "(proposed)" tags on each of the three hook bullets + explicit note that env var + opt-out markers are "not yet recognized by v0.4.4." This is a substrate-claim-checker existence-drift class violation that should have been caught at write-time. The same v0.4.4 tool would have caught it via the existence-drift sub-class check (when v1+ adds it per B-0170 follow-up). Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
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…-cycle (6 findings, 2 substantive fixes) (#1286) #1282 (guess #2) + #1280 (B-0173 recovery, post-merge) reviews generated 6 findings. 2 P1 substantive fixes shipped (#1285 existence-drift on B-0173 recovery; MEMORY.md discoverability + grammar on #1282). 4 clarified or resolved with reasoning. Key insight: even calibration-recovery sections are subject to substrate-claim-checker proposed-vs-current state discipline. The existence-drift class violation should have been caught at write-time by B-0170 v1+ when the existence-drift sub-class is implemented. Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
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…-drift sub-class) Second sub-class of B-0170's 7-class taxonomy. Catches claims that a file or directory exists when it doesn't on disk. **What it catches**: - Backtick-quoted paths in markdown - Markdown link targets (relative paths only) - Cases where the path doesn't resolve to anything on disk **Resolution discipline**: tries 3 candidate roots in priority order: 1. File's own directory (intra-dir cross-references) 2. Parent directory (bare-filename refs for files in subdirs) 3. Repository root (repo-relative paths) Stops on first hit; only emits finding if NO root resolves. **Future-state context detection**: claims marked future-state are exempt (proposed/planned/will-be/would-be/tbd/deferred/i'm-guessing/ concretely-something-like/will-probably/etc.). **Skipped automatically**: globs (*, ?, [...]), URLs, anchors, absolute paths, placeholders, fenced code blocks. **Tests**: 17 new tests across looksLikePath / isFutureStateContext / findPathClaims (33 total in tools/substrate-claim-checker/, all pass). **Multiple findings this session would have been caught**: - PR #1280 B-0173 ground-truth recovery claimed `tools/git/hooks/` exists; reviewer flagged that it doesn't (B-0173 row deliverable) - PR #1289 + #1290 review threads flagged similar existence-drift patterns **Sanity check on real substrate**: - alignment-frontier memo: clean (0 findings) - B-0173 guess file (post-#1285 fix): 2 false-positives in calibration-delta tables (acceptable v0.5 limitation; documented) - B-0166 guess file: 1 finding (proposed `tools/chat-events/replay.ts`) **v0.5 known limitations** (documented in README): - Calibration-delta tables citing path-forms as discussion topics may false-positive (mitigated but imperfect) - Section-level future-state markers don't propagate to claims further down; use inline markers per claim or paragraph **Out of scope (v0.6+)**: - Tool-existence (e.g., "running `bun X` returns Y") — separate empirical-output drift sub-class - URL existence (web fetches; not file-system) - Convention drift, path-form drift, self-recursive drift — separate sub-classes per the 7-class taxonomy Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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…-drift sub-class) Second sub-class of B-0170's 7-class taxonomy. Catches claims that a file or directory exists when it doesn't on disk. **What it catches**: - Backtick-quoted paths in markdown - Markdown link targets (relative paths only) - Cases where the path doesn't resolve to anything on disk **Resolution discipline**: tries 3 candidate roots in priority order: 1. File's own directory (intra-dir cross-references) 2. Parent directory (bare-filename refs for files in subdirs) 3. Repository root (repo-relative paths) Stops on first hit; only emits finding if NO root resolves. **Future-state context detection**: claims marked future-state are exempt (proposed/planned/will-be/would-be/tbd/deferred/i'm-guessing/ concretely-something-like/will-probably/etc.). **Skipped automatically**: globs (*, ?, [...]), URLs, anchors, absolute paths, placeholders, fenced code blocks. **Tests**: 17 new tests across looksLikePath / isFutureStateContext / findPathClaims (33 total in tools/substrate-claim-checker/, all pass). **Multiple findings this session would have been caught**: - PR #1280 B-0173 ground-truth recovery claimed `tools/git/hooks/` exists; reviewer flagged that it doesn't (B-0173 row deliverable) - PR #1289 + #1290 review threads flagged similar existence-drift patterns **Sanity check on real substrate**: - alignment-frontier memo: clean (0 findings) - B-0173 guess file (post-#1285 fix): 2 false-positives in calibration-delta tables (acceptable v0.5 limitation; documented) - B-0166 guess file: 1 finding (proposed `tools/chat-events/replay.ts`) **v0.5 known limitations** (documented in README): - Calibration-delta tables citing path-forms as discussion topics may false-positive (mitigated but imperfect) - Section-level future-state markers don't propagate to claims further down; use inline markers per claim or paragraph **Out of scope (v0.6+)**: - Tool-existence (e.g., "running `bun X` returns Y") — separate empirical-output drift sub-class - URL existence (web fetches; not file-system) - Convention drift, path-form drift, self-recursive drift — separate sub-classes per the 7-class taxonomy Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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…-drift sub-class) Second sub-class of B-0170's 7-class taxonomy. Catches claims that a file or directory exists when it doesn't on disk. **What it catches**: - Backtick-quoted paths in markdown - Markdown link targets (relative paths only) - Cases where the path doesn't resolve to anything on disk **Resolution discipline**: tries 3 candidate roots in priority order: 1. File's own directory (intra-dir cross-references) 2. Parent directory (bare-filename refs for files in subdirs) 3. Repository root (repo-relative paths) Stops on first hit; only emits finding if NO root resolves. **Future-state context detection**: claims marked future-state are exempt (proposed/planned/will-be/would-be/tbd/deferred/i'm-guessing/ concretely-something-like/will-probably/etc.). **Skipped automatically**: globs (*, ?, [...]), URLs, anchors, absolute paths, placeholders, fenced code blocks. **Tests**: 17 new tests across looksLikePath / isFutureStateContext / findPathClaims (33 total in tools/substrate-claim-checker/, all pass). **Multiple findings this session would have been caught**: - PR #1280 B-0173 ground-truth recovery claimed `tools/git/hooks/` exists; reviewer flagged that it doesn't (B-0173 row deliverable) - PR #1289 + #1290 review threads flagged similar existence-drift patterns **Sanity check on real substrate**: - alignment-frontier memo: clean (0 findings) - B-0173 guess file (post-#1285 fix): 2 false-positives in calibration-delta tables (acceptable v0.5 limitation; documented) - B-0166 guess file: 1 finding (proposed `tools/chat-events/replay.ts`) **v0.5 known limitations** (documented in README): - Calibration-delta tables citing path-forms as discussion topics may false-positive (mitigated but imperfect) - Section-level future-state markers don't propagate to claims further down; use inline markers per claim or paragraph **Out of scope (v0.6+)**: - Tool-existence (e.g., "running `bun X` returns Y") — separate empirical-output drift sub-class - URL existence (web fetches; not file-system) - Convention drift, path-form drift, self-recursive drift — separate sub-classes per the 7-class taxonomy Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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…-drift sub-class) Second sub-class of B-0170's 7-class taxonomy. Catches claims that a file or directory exists when it doesn't on disk. **What it catches**: - Backtick-quoted paths in markdown - Markdown link targets (relative paths only) - Cases where the path doesn't resolve to anything on disk **Resolution discipline**: tries 3 candidate roots in priority order: 1. File's own directory (intra-dir cross-references) 2. Parent directory (bare-filename refs for files in subdirs) 3. Repository root (repo-relative paths) Stops on first hit; only emits finding if NO root resolves. **Future-state context detection**: claims marked future-state are exempt (proposed/planned/will-be/would-be/tbd/deferred/i'm-guessing/ concretely-something-like/will-probably/etc.). **Skipped automatically**: globs (*, ?, [...]), URLs, anchors, absolute paths, placeholders, fenced code blocks. **Tests**: 17 new tests across looksLikePath / isFutureStateContext / findPathClaims (33 total in tools/substrate-claim-checker/, all pass). **Multiple findings this session would have been caught**: - PR #1280 B-0173 ground-truth recovery claimed `tools/git/hooks/` exists; reviewer flagged that it doesn't (B-0173 row deliverable) - PR #1289 + #1290 review threads flagged similar existence-drift patterns **Sanity check on real substrate**: - alignment-frontier memo: clean (0 findings) - B-0173 guess file (post-#1285 fix): 2 false-positives in calibration-delta tables (acceptable v0.5 limitation; documented) - B-0166 guess file: 1 finding (proposed `tools/chat-events/replay.ts`) **v0.5 known limitations** (documented in README): - Calibration-delta tables citing path-forms as discussion topics may false-positive (mitigated but imperfect) - Section-level future-state markers don't propagate to claims further down; use inline markers per claim or paragraph **Out of scope (v0.6+)**: - Tool-existence (e.g., "running `bun X` returns Y") — separate empirical-output drift sub-class - URL existence (web fetches; not file-system) - Convention drift, path-form drift, self-recursive drift — separate sub-classes per the 7-class taxonomy Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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…-drift sub-class) Second sub-class of B-0170's 7-class taxonomy. Catches claims that a file or directory exists when it doesn't on disk. **What it catches**: - Backtick-quoted paths in markdown - Markdown link targets (relative paths only) - Cases where the path doesn't resolve to anything on disk **Resolution discipline**: tries 3 candidate roots in priority order: 1. File's own directory (intra-dir cross-references) 2. Parent directory (bare-filename refs for files in subdirs) 3. Repository root (repo-relative paths) Stops on first hit; only emits finding if NO root resolves. **Future-state context detection**: claims marked future-state are exempt (proposed/planned/will-be/would-be/tbd/deferred/i'm-guessing/ concretely-something-like/will-probably/etc.). **Skipped automatically**: globs (*, ?, [...]), URLs, anchors, absolute paths, placeholders, fenced code blocks. **Tests**: 17 new tests across looksLikePath / isFutureStateContext / findPathClaims (33 total in tools/substrate-claim-checker/, all pass). **Multiple findings this session would have been caught**: - PR #1280 B-0173 ground-truth recovery claimed `tools/git/hooks/` exists; reviewer flagged that it doesn't (B-0173 row deliverable) - PR #1289 + #1290 review threads flagged similar existence-drift patterns **Sanity check on real substrate**: - alignment-frontier memo: clean (0 findings) - B-0173 guess file (post-#1285 fix): 2 false-positives in calibration-delta tables (acceptable v0.5 limitation; documented) - B-0166 guess file: 1 finding (proposed `tools/chat-events/replay.ts`) **v0.5 known limitations** (documented in README): - Calibration-delta tables citing path-forms as discussion topics may false-positive (mitigated but imperfect) - Section-level future-state markers don't propagate to claims further down; use inline markers per claim or paragraph **Out of scope (v0.6+)**: - Tool-existence (e.g., "running `bun X` returns Y") — separate empirical-output drift sub-class - URL existence (web fetches; not file-system) - Convention drift, path-form drift, self-recursive drift — separate sub-classes per the 7-class taxonomy Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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…-drift sub-class) Second sub-class of B-0170's 7-class taxonomy. Catches claims that a file or directory exists when it doesn't on disk. **What it catches**: - Backtick-quoted paths in markdown - Markdown link targets (relative paths only) - Cases where the path doesn't resolve to anything on disk **Resolution discipline**: tries 3 candidate roots in priority order: 1. File's own directory (intra-dir cross-references) 2. Parent directory (bare-filename refs for files in subdirs) 3. Repository root (repo-relative paths) Stops on first hit; only emits finding if NO root resolves. **Future-state context detection**: claims marked future-state are exempt (proposed/planned/will-be/would-be/tbd/deferred/i'm-guessing/ concretely-something-like/will-probably/etc.). **Skipped automatically**: globs (*, ?, [...]), URLs, anchors, absolute paths, placeholders, fenced code blocks. **Tests**: 17 new tests across looksLikePath / isFutureStateContext / findPathClaims (33 total in tools/substrate-claim-checker/, all pass). **Multiple findings this session would have been caught**: - PR #1280 B-0173 ground-truth recovery claimed `tools/git/hooks/` exists; reviewer flagged that it doesn't (B-0173 row deliverable) - PR #1289 + #1290 review threads flagged similar existence-drift patterns **Sanity check on real substrate**: - alignment-frontier memo: clean (0 findings) - B-0173 guess file (post-#1285 fix): 2 false-positives in calibration-delta tables (acceptable v0.5 limitation; documented) - B-0166 guess file: 1 finding (proposed `tools/chat-events/replay.ts`) **v0.5 known limitations** (documented in README): - Calibration-delta tables citing path-forms as discussion topics may false-positive (mitigated but imperfect) - Section-level future-state markers don't propagate to claims further down; use inline markers per claim or paragraph **Out of scope (v0.6+)**: - Tool-existence (e.g., "running `bun X` returns Y") — separate empirical-output drift sub-class - URL existence (web fetches; not file-system) - Convention drift, path-form drift, self-recursive drift — separate sub-classes per the 7-class taxonomy Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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…-drift sub-class) Second sub-class of B-0170's 7-class taxonomy. Catches claims that a file or directory exists when it doesn't on disk. **What it catches**: - Backtick-quoted paths in markdown - Markdown link targets (relative paths only) - Cases where the path doesn't resolve to anything on disk **Resolution discipline**: tries 3 candidate roots in priority order: 1. File's own directory (intra-dir cross-references) 2. Parent directory (bare-filename refs for files in subdirs) 3. Repository root (repo-relative paths) Stops on first hit; only emits finding if NO root resolves. **Future-state context detection**: claims marked future-state are exempt (proposed/planned/will-be/would-be/tbd/deferred/i'm-guessing/ concretely-something-like/will-probably/etc.). **Skipped automatically**: globs (*, ?, [...]), URLs, anchors, absolute paths, placeholders, fenced code blocks. **Tests**: 17 new tests across looksLikePath / isFutureStateContext / findPathClaims (33 total in tools/substrate-claim-checker/, all pass). **Multiple findings this session would have been caught**: - PR #1280 B-0173 ground-truth recovery claimed `tools/git/hooks/` exists; reviewer flagged that it doesn't (B-0173 row deliverable) - PR #1289 + #1290 review threads flagged similar existence-drift patterns **Sanity check on real substrate**: - alignment-frontier memo: clean (0 findings) - B-0173 guess file (post-#1285 fix): 2 false-positives in calibration-delta tables (acceptable v0.5 limitation; documented) - B-0166 guess file: 1 finding (proposed `tools/chat-events/replay.ts`) **v0.5 known limitations** (documented in README): - Calibration-delta tables citing path-forms as discussion topics may false-positive (mitigated but imperfect) - Section-level future-state markers don't propagate to claims further down; use inline markers per claim or paragraph **Out of scope (v0.6+)**: - Tool-existence (e.g., "running `bun X` returns Y") — separate empirical-output drift sub-class - URL existence (web fetches; not file-system) - Convention drift, path-form drift, self-recursive drift — separate sub-classes per the 7-class taxonomy Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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…-drift sub-class) Second sub-class of B-0170's 7-class taxonomy. Catches claims that a file or directory exists when it doesn't on disk. **What it catches**: - Backtick-quoted paths in markdown - Markdown link targets (relative paths only) - Cases where the path doesn't resolve to anything on disk **Resolution discipline**: tries 3 candidate roots in priority order: 1. File's own directory (intra-dir cross-references) 2. Parent directory (bare-filename refs for files in subdirs) 3. Repository root (repo-relative paths) Stops on first hit; only emits finding if NO root resolves. **Future-state context detection**: claims marked future-state are exempt (proposed/planned/will-be/would-be/tbd/deferred/i'm-guessing/ concretely-something-like/will-probably/etc.). **Skipped automatically**: globs (*, ?, [...]), URLs, anchors, absolute paths, placeholders, fenced code blocks. **Tests**: 17 new tests across looksLikePath / isFutureStateContext / findPathClaims (33 total in tools/substrate-claim-checker/, all pass). **Multiple findings this session would have been caught**: - PR #1280 B-0173 ground-truth recovery claimed `tools/git/hooks/` exists; reviewer flagged that it doesn't (B-0173 row deliverable) - PR #1289 + #1290 review threads flagged similar existence-drift patterns **Sanity check on real substrate**: - alignment-frontier memo: clean (0 findings) - B-0173 guess file (post-#1285 fix): 2 false-positives in calibration-delta tables (acceptable v0.5 limitation; documented) - B-0166 guess file: 1 finding (proposed `tools/chat-events/replay.ts`) **v0.5 known limitations** (documented in README): - Calibration-delta tables citing path-forms as discussion topics may false-positive (mitigated but imperfect) - Section-level future-state markers don't propagate to claims further down; use inline markers per claim or paragraph **Out of scope (v0.6+)**: - Tool-existence (e.g., "running `bun X` returns Y") — separate empirical-output drift sub-class - URL existence (web fetches; not file-system) - Convention drift, path-form drift, self-recursive drift — separate sub-classes per the 7-class taxonomy Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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…-drift sub-class) Second sub-class of B-0170's 7-class taxonomy. Catches claims that a file or directory exists when it doesn't on disk. **What it catches**: - Backtick-quoted paths in markdown - Markdown link targets (relative paths only) - Cases where the path doesn't resolve to anything on disk **Resolution discipline**: tries 3 candidate roots in priority order: 1. File's own directory (intra-dir cross-references) 2. Parent directory (bare-filename refs for files in subdirs) 3. Repository root (repo-relative paths) Stops on first hit; only emits finding if NO root resolves. **Future-state context detection**: claims marked future-state are exempt (proposed/planned/will-be/would-be/tbd/deferred/i'm-guessing/ concretely-something-like/will-probably/etc.). **Skipped automatically**: globs (*, ?, [...]), URLs, anchors, absolute paths, placeholders, fenced code blocks. **Tests**: 17 new tests across looksLikePath / isFutureStateContext / findPathClaims (33 total in tools/substrate-claim-checker/, all pass). **Multiple findings this session would have been caught**: - PR #1280 B-0173 ground-truth recovery claimed `tools/git/hooks/` exists; reviewer flagged that it doesn't (B-0173 row deliverable) - PR #1289 + #1290 review threads flagged similar existence-drift patterns **Sanity check on real substrate**: - alignment-frontier memo: clean (0 findings) - B-0173 guess file (post-#1285 fix): 2 false-positives in calibration-delta tables (acceptable v0.5 limitation; documented) - B-0166 guess file: 1 finding (proposed `tools/chat-events/replay.ts`) **v0.5 known limitations** (documented in README): - Calibration-delta tables citing path-forms as discussion topics may false-positive (mitigated but imperfect) - Section-level future-state markers don't propagate to claims further down; use inline markers per claim or paragraph **Out of scope (v0.6+)**: - Tool-existence (e.g., "running `bun X` returns Y") — separate empirical-output drift sub-class - URL existence (web fetches; not file-system) - Convention drift, path-form drift, self-recursive drift — separate sub-classes per the 7-class taxonomy Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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…-drift sub-class) (#1298) Second sub-class of B-0170's 7-class taxonomy. Catches claims that a file or directory exists when it doesn't on disk. **What it catches**: - Backtick-quoted paths in markdown - Markdown link targets (relative paths only) - Cases where the path doesn't resolve to anything on disk **Resolution discipline**: tries 3 candidate roots in priority order: 1. File's own directory (intra-dir cross-references) 2. Parent directory (bare-filename refs for files in subdirs) 3. Repository root (repo-relative paths) Stops on first hit; only emits finding if NO root resolves. **Future-state context detection**: claims marked future-state are exempt (proposed/planned/will-be/would-be/tbd/deferred/i'm-guessing/ concretely-something-like/will-probably/etc.). **Skipped automatically**: globs (*, ?, [...]), URLs, anchors, absolute paths, placeholders, fenced code blocks. **Tests**: 17 new tests across looksLikePath / isFutureStateContext / findPathClaims (33 total in tools/substrate-claim-checker/, all pass). **Multiple findings this session would have been caught**: - PR #1280 B-0173 ground-truth recovery claimed `tools/git/hooks/` exists; reviewer flagged that it doesn't (B-0173 row deliverable) - PR #1289 + #1290 review threads flagged similar existence-drift patterns **Sanity check on real substrate**: - alignment-frontier memo: clean (0 findings) - B-0173 guess file (post-#1285 fix): 2 false-positives in calibration-delta tables (acceptable v0.5 limitation; documented) - B-0166 guess file: 1 finding (proposed `tools/chat-events/replay.ts`) **v0.5 known limitations** (documented in README): - Calibration-delta tables citing path-forms as discussion topics may false-positive (mitigated but imperfect) - Section-level future-state markers don't propagate to claims further down; use inline markers per claim or paragraph **Out of scope (v0.6+)**: - Tool-existence (e.g., "running `bun X` returns Y") — separate empirical-output drift sub-class - URL existence (web fetches; not file-system) - Convention drift, path-form drift, self-recursive drift — separate sub-classes per the 7-class taxonomy Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
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…it hooks needed) (Aaron 2026-05-03) (#1312) Two architectural insights from Aaron 2026-05-03 chat exchange: **Insight 1 — DST is the empirical TS-over-bash quality justification**: Aaron 2026-05-03: *"to back up my bash is lower quality claim i offer the difficlut of proper Deterministic Simulation in bash vs ts, this is where my quality assesment comes from."* TS supports proper DST (typed inputs, deterministic outputs, controlled randomness, mockable I/O, structured assertions). Bash supports DST poorly. This is empirical substrate-quality grounding, not just preference. Composes with Otto-272 DST-everywhere + B-0156 TS standardization. When justifying TS over bash, cite DST capability — stronger than "bash is just lower quality." **Insight 2 — vibe-coders always have a harness; harness hooks suffice; git hooks are antipattern**: Aaron 2026-05-03: *"vibe coders will never be without a harness of some kind"* + *"i don't think we need git hooks harness hooks are good"* + *"many consider git hooks an antipatter, i tend to love antipattern when they are used in the non antipatter way lol, i dont know if we have any non antipatter use cases that harness hook counld not handle but git hooks could."*. Analysis: non-antipattern git-hook use cases (server-side hooks, non-harness commit protection) don't apply to Zeta because vibe-coded scope assumes harness-mediated contributors only. **Conclusion**: B-0173 (hook authoring) scope simplifies from "git hooks + harness hooks + CI" to "harness hooks + CI only". The ground-truth-recovery on B-0173 (PR #1280) was wrong; correction lands in a separate PR. This memo is the substrate that justifies it. Future-Otto rules: - TS is canonical; bash exists ONLY for pre-install scripts (no DST needed there anyway) - Harness hooks are the distribution mechanism for skill-bundle users - DST is the empirical quality justification for TS-over-bash - Skill-bundle distribution flows through harnesses, not direct filesystem Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
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May 3, 2026
…ooks memo (Otto 2026-05-03) (#1316) The B-0173 ground-truth recovery (PR #1280) was wrong. It listed 3 hook types including 2 git hooks. Aaron 2026-05-03 clarified: vibe-coders always have a harness; harness hooks suffice; git hooks are antipattern in this scope. Memo capturing this: `memory/feedback_dst_justifies_ts_quality_over_bash_and_harness_hooks_suffice_no_git_hooks_aaron_2026_05_03.md` (PR #1312 + #1313 + #1315 follow-ups). This commit corrects the B-0173 guess file's recovery section: - ~~tools/git/hooks/pre-commit~~ — REMOVED. Harness fires on pre-tool-use (Edit/Write) before content lands; covers same use case - ~~tools/git/hooks/commit-msg~~ — REMOVED. Harness fires on pre-Bash-tool-use when command is `git commit`; covers same use case - **Harness hooks** (.claude/settings.json hooks field; Codex/Cursor parallel mechanisms) — NEW, replaces git hooks - **CI workflow on PR descriptions** — unchanged Specific implementation also corrected: TS-canonical (no bash wrapper needed; harness runs TS directly via bun). The calibration delta on this guess (~48% accuracy at recovery time) should NOT be retroactively re-scored — the original delta reflects the recovery-as-it-happened. The correction here is about the substrate moving forward, not rewriting calibration history. Future-Otto: when a calibration recovery turns out to have used wrong ground truth (because the ground truth itself shifted via clarification), mark the correction explicitly + preserve the original calibration. The calibration data is about Otto's inference quality at a moment in time; subsequent ground-truth refinements are separate substrate. Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
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Summary
Per the guess-then-verify architectural-intent calibration protocol (PR #1278), this PR follows the prior in-the-moment guess (PR #1279) by recovering ground truth via direct read of B-0173's row body and recording the calibration delta.
This is the first complete calibration data point for the protocol — guess timestamped + committed BEFORE research, then ground truth recovered, then delta recorded.
Calibration result
.claude/settings.jsonhook system (fundamentally different mechanisms)Pattern observed
Inference defaults to generalization-from-principle rather than specific-mechanism-recall.
For substrate-content + implementation specifics, principle-based inference is unreliable; specific-mechanism-research is needed.
Self-confidence calibration
Well-calibrated — high-confidence layer (architectural) scored highest; low-confidence layer (specific implementation) scored lowest. Confidence levels matched accuracy ordering. This is itself useful — Otto's confidence self-report is reliable.
What I missed (substantive)
Cross-model retroactive replay readiness
This calibration data point is now reproducible. Give another model B-0173's row title only + the same prior-substrate context, see how their guess compares. The fact that I missed the contract-based-development frame is a genuine inference-failure that other models can be tested against.
Test plan
🤖 Generated with Claude Code