v1.87.0.0 feat: add verified CSO audits and replayable repair bundles (#2852)

* feat(cso): add verified audits and replayable repair bundles

* fix(cso): harden qualification and setup boundaries

* fix(cso): assemble security canaries at runtime

* fix(cso): bound release proof and maintenance work

Co-Authored-By: OpenAI Codex <noreply@openai.com>

* fix(cso): require complete evaluation reports

Co-Authored-By: OpenAI Codex <noreply@openai.com>

* fix(cso): replay expired snapshots from supplied source

Co-Authored-By: OpenAI Codex <noreply@openai.com>

* test(cso): synchronize DNS cancellation assertion

Co-Authored-By: OpenAI Codex <noreply@openai.com>

* chore(ship): exempt repository owner from liveness proof

Co-Authored-By: OpenAI Codex <noreply@openai.com>

* test(cso): make recheck retention overlap deterministic

Co-Authored-By: OpenAI Codex <noreply@openai.com>

* chore: bump version and changelog (v1.85.0.0)

Co-Authored-By: OpenAI Codex <noreply@openai.com>

* fix(cso): pass native release gates

Co-Authored-By: OpenAI Codex <noreply@openai.com>

* chore: move release to v1.86.0.0

Co-Authored-By: OpenAI Codex <noreply@openai.com>

* fix(cso): resolve rechecks by finding

Co-Authored-By: OpenAI Codex <noreply@openai.com>

* chore: move release to v1.87.0.0

Co-Authored-By: OpenAI Codex <noreply@openai.com>

* fix(cso): pass macOS and Windows release gates

Normalize BSD wc output, compare Windows paths by filesystem identity, preserve portable snapshot race coverage, and narrow POSIX-only Windows fixtures.

Co-Authored-By: OpenAI Codex <noreply@openai.com>

* fix(cso): harden native verification gates

* fix(cso): refine Windows native diagnostics

* test(cso): isolate Windows Git startup failure

* test(cso): stabilize Windows native diagnostics

* fix(cso): support hardened Git on Windows

* fix(cso): close final verification gaps

* test(cso): bound cold Docker fixture setup

* fix(cso): restore cross-platform free-suite gates

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Co-authored-by: OpenAI Codex <noreply@openai.com>

cso/sections/manifest.json

@@ -2,7 +2,7 @@
   "$schema": "https://gstack.dev/schemas/section-manifest.json",
   "skill": "cso",
   "version": 1,
-  "note": "PASSIVE registry (v2 plan T9 / CM2). id/file/title/trigger text ONLY. Mode dispatch (## Arguments, ## Mode Resolution), always-run phases (0,1), and FP-filtering exceptions (Phase 12) stay in the always-loaded skeleton; only the scope-dependent audit phases are on demand.",
+  "note": "Passive host-section registry. Mode dispatch, trusted execution/privacy rules, evidence rubric, verification gates, reporting, and recovery stay always-loaded; only scope-dependent investigation detail is on demand.",
   "sections": [
     {
       "id": "audit-phases",