semi implemented and features implemented save checkpoint

docs/implplan-blocked/audits/csproj-standards/Unknowns/__Libraries/StellaOps.Unknowns.Core/StellaOps.Unknowns.Core.md

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+# Audit - StellaOps.Unknowns.Core
+
+## Project
+- Path: `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/StellaOps.Unknowns.Core.csproj`
+- Module: `Unknowns`
+- Kind: `Library`
+- SDK: `Microsoft.NET.Sdk`
+- TargetFramework: `net10.0`
+- Audit date (UTC): 2026-01-30
+
+## Coding Standards Findings
+- Status: FAIL
+- Nullable: enable
+- TreatWarningsAsErrors: explicit true
+- Deterministic: inherited true
+- 100-line rule violations: 12
+- Service locator usage (BuildServiceProvider/GetService): 0
+- Analyzer enforcement: missing repo-wide (see summary).
+
+### Details
+- 100-line files:
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Hints/ProvenanceHintBuilder.cs` (443 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Models/GreyQueueEntry.cs` (379 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Services/RuntimeSignalIngester.cs` (375 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Repositories/IGreyQueueRepository.cs` (370 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Models/Unknown.cs` (300 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Services/NativeUnknownClassifier.cs` (253 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Repositories/IUnknownRepository.cs` (227 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Services/UnknownProofEmitter.cs` (206 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Models/ProvenanceEvidence.cs` (205 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Models/UnknownRanking.cs` (173 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Services/UnknownRanker.cs` (162 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Core/Models/ProvenanceHint.cs` (124 lines)
+- Service locator matches:
+  - none
+
+### Fix Guidance
+- Split files over 100 lines into smaller types or partials.
+
+## Testing Fullness Findings
+- Status: PASS
+- Expected layers: Unit
+- Detected test projects: src/Unknowns/__Tests/StellaOps.Unknowns.Core.Tests/StellaOps.Unknowns.Core.Tests.csproj [Unit]
+- Missing layers: none
+
+### Manual checks required
+- Observability contract tests for WebService/Worker.
+- Offline execution (tests must run without network access).
+
+### Fix Guidance
+- None.

docs/implplan-blocked/audits/csproj-standards/Unknowns/__Libraries/StellaOps.Unknowns.Persistence.EfCore/StellaOps.Unknowns.Persistence.EfCore.md

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+# Audit - StellaOps.Unknowns.Persistence.EfCore
+
+## Project
+- Path: `src/Unknowns/__Libraries/StellaOps.Unknowns.Persistence.EfCore/StellaOps.Unknowns.Persistence.EfCore.csproj`
+- Module: `Unknowns`
+- Kind: `Library`
+- SDK: `Microsoft.NET.Sdk`
+- TargetFramework: `net10.0`
+- Audit date (UTC): 2026-01-30
+
+## Coding Standards Findings
+- Status: FAIL
+- Nullable: enable
+- TreatWarningsAsErrors: explicit true
+- Deterministic: inherited true
+- 100-line rule violations: 1
+- Service locator usage (BuildServiceProvider/GetService): 0
+- Analyzer enforcement: missing repo-wide (see summary).
+
+### Details
+- 100-line files:
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Persistence.EfCore/Repositories/UnknownEfRepository.cs` (314 lines)
+- Service locator matches:
+  - none
+
+### Fix Guidance
+- Split files over 100 lines into smaller types or partials.
+
+## Testing Fullness Findings
+- Status: FAIL
+- Expected layers: Unit
+- Detected test projects: none
+- Missing layers: Unit
+
+### Manual checks required
+- Observability contract tests for WebService/Worker.
+- Offline execution (tests must run without network access).
+
+### Fix Guidance
+- Add a unit test project named `<Project>.Tests` (or document exception).

docs/implplan-blocked/audits/csproj-standards/Unknowns/__Libraries/StellaOps.Unknowns.Persistence/StellaOps.Unknowns.Persistence.md

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+# Audit - StellaOps.Unknowns.Persistence
+
+## Project
+- Path: `src/Unknowns/__Libraries/StellaOps.Unknowns.Persistence/StellaOps.Unknowns.Persistence.csproj`
+- Module: `Unknowns`
+- Kind: `Library`
+- SDK: `Microsoft.NET.Sdk`
+- TargetFramework: `net10.0`
+- Audit date (UTC): 2026-01-30
+
+## Coding Standards Findings
+- Status: FAIL
+- Nullable: enable
+- TreatWarningsAsErrors: explicit true
+- Deterministic: inherited true
+- 100-line rule violations: 4
+- Service locator usage (BuildServiceProvider/GetService): 0
+- Analyzer enforcement: missing repo-wide (see summary).
+
+### Details
+- 100-line files:
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Persistence/Postgres/Repositories/PostgresUnknownRepository.cs` (1002 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Persistence/EfCore/Repositories/UnknownEfRepository.cs` (257 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Persistence/Extensions/UnknownsPersistenceExtensions.cs` (136 lines)
+  - `src/Unknowns/__Libraries/StellaOps.Unknowns.Persistence/Postgres/PostgresUnknownPersister.cs` (119 lines)
+- Service locator matches:
+  - none
+
+### Fix Guidance
+- Split files over 100 lines into smaller types or partials.
+
+## Testing Fullness Findings
+- Status: PASS
+- Expected layers: Unit
+- Detected test projects: src/Unknowns/__Tests/StellaOps.Unknowns.Persistence.Tests/StellaOps.Unknowns.Persistence.Tests.csproj [Unit]
+- Missing layers: none
+
+### Manual checks required
+- Observability contract tests for WebService/Worker.
+- Offline execution (tests must run without network access).
+
+### Fix Guidance
+- None.