docs: add star history chart to README

[jersonboydmilan]

Adds a star-history.com chart to the README, noted in the changelog. Docs only.

[ecc-tools]

ECC Tools / Security Evidence

Commit: bd4e5a50da99b7d821942fc9078391d979032828

Security evidence gate passed (success)

No security-sensitive scanner-evidence gap detected.

Mode: enforce

Scanned 2 changed file(s). No missing scanner-evidence signal was detected.

Check publication was denied or unavailable. An app owner must enable Checks: read and write, and the installation owner must approve the updated permission.

[ecc-tools]

ECC Tools / PR Risk Taxonomy

Commit: bd4e5a50da99b7d821942fc9078391d979032828

PR taxonomy clear (success)

Scanned 2 changed file(s). No taxonomy bucket signals were detected.

Scanned 2 changed file(s).

No PR taxonomy bucket signals were detected.

Check publication was denied or unavailable. An app owner must enable Checks: read and write, and the installation owner must approve the updated permission.

[ecc-tools]

ECC Tools / Reference Set Readiness

Commit: bd4e5a50da99b7d821942fc9078391d979032828

Reference set readiness gaps detected (neutral)

Reference evidence present for 0/7 areas (0%) across 2 changed file(s).

This check is based on files changed in this PR. Repository-level readiness is still reported by /ecc-tools analyze comments and generated manifests.

Area	Status	Evidence / Next Step
Deep analyzer corpus	Missing	Add analyzer fixture, golden, benchmark, or reference-set files that can catch analyzer regressions.
RAG/evaluator comparison	Missing	Add retrieval or evaluator reference-set comparison fixtures with expected ranking behavior.
PR salvage/review corpus	Missing	Add stale-PR, review-thread, reopen-flow, or salvage reference cases for queue cleanup automation.
Discussion triage corpus	Missing	Add public discussion triage fixtures, golden cases, or reference sets for informational, answered, and no-response classifications.
Harness compatibility	Missing	Add cross-harness, adapter-compliance, or harness-audit evidence for Claude, Codex, OpenCode, Zed, dmux, and agent surfaces.
Security evidence	Missing	Attach security evidence such as SBOMs, SARIF, audit reports, or AgentShield evidence packs.
CI failure-mode evidence	Missing	Add captured CI failure logs, dry-run fixtures, or troubleshooting docs for common workflow failure modes.

Check publication was denied or unavailable. An app owner must enable Checks: read and write, and the installation owner must approve the updated permission.

[ecc-tools]

ECC Tools / Hosted Promotion Readiness

Commit: bd4e5a50da99b7d821942fc9078391d979032828

Hosted promotion readiness passed (success)

No hosted promotion evidence gaps detected across 2 changed file(s); 0 corpus scenarios had matching evidence.

This check compares PR file changes against the evaluator/RAG promotion corpus in src/analyzers/fixtures/evaluator-rag-corpus.ts.
Hosted output scoring inspected 0 completed cached hosted job results.

No evaluator corpus scenarios matched this PR.

Check publication was denied or unavailable. An app owner must enable Checks: read and write, and the installation owner must approve the updated permission.