Tests fixes, audit progress, UI completions

src/__Tests/unit/StellaOps.AuditPack.Tests/AGENTS.md

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+# AuditPack Unit Tests AGENTS
+
+## Purpose & Scope
+- Working directory: `src/__Tests/unit/StellaOps.AuditPack.Tests/`.
+- Roles: QA automation, backend engineer.
+- Focus: unit coverage for audit pack builder/importer/exporter/replay/attestation behaviors.
+
+## Required Reading (treat as read before DOING)
+- `docs/README.md`
+- `docs/07_HIGH_LEVEL_ARCHITECTURE.md`
+- `docs/modules/platform/architecture-overview.md`
+- Relevant sprint files.
+
+## Working Agreements
+- Keep tests deterministic (fixed time/IDs, stable fixtures).
+- Keep unit tests isolated from filesystem-heavy integration flows.
+- Update `docs/implplan/SPRINT_*.md` and local `TASKS.md` when starting or completing work.
+
+## Testing
+- Use xUnit + FluentAssertions.
+- Add explicit assertions for edge cases (signing, import safety, replay drift).

src/__Tests/unit/StellaOps.AuditPack.Tests/TASKS.md

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+# AuditPack Unit Tests Task Board
+
+This board mirrors active sprint tasks for this module.
+Source of truth: `docs/implplan/SPRINT_20251229_049_BE_csproj_audit_maint_tests.md`.
+
+| Task ID | Status | Notes |
+| --- | --- | --- |
+| AUDIT-0077-M | DONE | Maintainability audit for StellaOps.AuditPack unit tests. |
+| AUDIT-0077-T | DONE | Test coverage audit for StellaOps.AuditPack unit tests. |
+| AUDIT-0077-A | TODO | Pending approval for changes. |