semi implemented and features implemented save checkpoint

docs/features/unchecked/advisoryai/sanctioned-tool-registry.md

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+# Sanctioned Tool Registry (Policy-Gated Tool Execution)
+
+## Module
+AdvisoryAI
+
+## Status
+IMPLEMENTED
+
+## Description
+Tool policy system with sanctioned tool registry controlling which AI tools can be invoked, with read-only defaults and confirmation-gated action tools.
+
+## Implementation Details
+- **Modules**: `src/AdvisoryAi/StellaOps.AdvisoryAI/Chat/Settings/`, `src/AdvisoryAi/StellaOps.AdvisoryAI/Tools/`
+- **Key Classes**:
+  - `AdvisoryChatToolPolicy` (`src/AdvisoryAi/StellaOps.AdvisoryAI/Chat/Settings/AdvisoryChatToolPolicy.cs`) - defines which tools are sanctioned, read-only, or require confirmation
+  - `DeterministicToolset` (`src/AdvisoryAi/StellaOps.AdvisoryAI/Tools/DeterministicToolset.cs`) - deterministic tool implementations (version analysis, dependency analysis)
+  - `AdvisoryChatSettingsService` (`src/AdvisoryAi/StellaOps.AdvisoryAI/Chat/Settings/AdvisoryChatSettingsService.cs`) - manages chat settings including tool policies
+  - `AdvisoryChatSettingsStore` (`src/AdvisoryAi/StellaOps.AdvisoryAI/Chat/Settings/AdvisoryChatSettingsStore.cs`) - persists chat settings and tool policies
+  - `AdvisoryChatSettingsModels` (`src/AdvisoryAi/StellaOps.AdvisoryAI/Chat/Settings/AdvisoryChatSettingsModels.cs`) - settings models for tool access levels
+  - `DependencyAnalysisResult` (`src/AdvisoryAi/StellaOps.AdvisoryAI/Tools/DependencyAnalysisResult.cs`) - result model for dependency analysis tool
+  - `SemanticVersion` (`src/AdvisoryAi/StellaOps.AdvisoryAI/Tools/SemanticVersion.cs`) - semantic version parsing for version analysis tool
+  - `SemanticVersionRange` (`src/AdvisoryAi/StellaOps.AdvisoryAI/Tools/SemanticVersionRange.cs`) - version range matching for dependency tools
+- **Interfaces**: `IDeterministicToolset`
+- **Source**: Feature matrix scan
+
+## E2E Test Plan
+- [ ] Configure `AdvisoryChatToolPolicy` with sanctioned tools and verify only those tools can be invoked during chat
+- [ ] Attempt to invoke a non-sanctioned tool and verify it is rejected with an access denied response
+- [ ] Verify read-only tools execute without confirmation prompts
+- [ ] Verify action tools (write operations) require user confirmation before execution
+- [ ] Verify `DeterministicToolset` provides consistent results for version analysis and dependency analysis
+- [ ] Verify `AdvisoryChatSettingsService` persists tool policy changes via `AdvisoryChatSettingsStore`