feat(adapter): add hierarchical summarization via --summarize flag (Story 3.3)
Adds --summarize flag to memtrace-adapter.mjs for token-budgeted
hierarchical summarization of get_impact blast radius responses:
- summarizeBlastRadius(): groups by directory prefix, extracts depth<=2
critical dependents, builds module impact with top symbols, enforces
<=2000 token budget via progressive while-loop trimming
- estimateTokens(): chars/4 * 1.15 buffer safety margin
- Cross-platform path support (/[\\\\/]/ regex), NaN/Infinity depth guards
- Non-object entry guards, JSON.stringify try/catch
- total_critical field added for count transparency
Workflow files updated to use --summarize flag:
- bmad-dev-story/SKILL.md step 5, bmad-quick-dev step files
- bmad-code-review and gds-code-review auditors check for --summarize
6 summarization tests added. 42/42 tests passing (adapter 20 +
qa-memtrace 10 + validate-dead-code 12).
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