chore(conductor): Add new track 'Phase 6 Review and Regression Verification'

conductor/tracks/phase6_review_20260510/index.md

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+# Track phase6_review_20260510 Context
+
+- [Specification](./spec.md)
+- [Implementation Plan](./plan.md)
+- [Metadata](./metadata.json)

conductor/tracks/phase6_review_20260510/metadata.json

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+{
+  "track_id": "phase6_review_20260510",
+  "type": "verification",
+  "status": "new",
+  "created_at": "2026-05-10T14:10:00Z",
+  "updated_at": "2026-05-10T14:10:00Z",
+  "description": "Review Phase 6 implementation, perform full-suite batch regression testing, and expand test coverage for new context curation features."
+}

conductor/tracks/phase6_review_20260510/plan.md

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+# Implementation Plan: Phase 6 Review and Regression Verification
+
+## Phase 1: Regression Testing (Batch Execution)
+- [ ] Task: Execute the full test suite in batches of 4 test files.
+- [ ] Task: Document any failures and categorize by root cause.
+- [ ] Task: Fix regressions introduced by Phase 6 (if any).
+- [ ] Task: Conductor - User Manual Verification 'Phase 1' (Protocol in workflow.md)
+
+## Phase 2: Feature Coverage (Core Logic)
+- [ ] Task: Write unit tests for C++ AST Tree Masking logic using samples from `gencpp/base/components`.
+- [ ] Task: Write unit tests for 'Fuzzy Anchor' resolution across simulated file edits.
+- [ ] Task: Write unit tests for `HistoryManager` context snapshot roundtrips.
+- [ ] Task: Conductor - User Manual Verification 'Phase 2' (Protocol in workflow.md)
+
+## Phase 3: Integration & GUI Verification
+- [ ] Task: Write simulation tests for Batch Operations (Shift-Click selection and Action Bar execution).
+- [ ] Task: Write simulation tests for the Interactive AST Inspector modal.
+- [ ] Task: Write simulation tests for the Slice Editor (adding/removing slices).
+- [ ] Task: Conductor - User Manual Verification 'Phase 3' (Protocol in workflow.md)
+
+## Phase 4: Audit & Documentation Sync
+- [ ] Task: Audit Phase 6 commit history for adherence to Conductor workflows.
+- [ ] Task: Update `docs/guide_architecture.md` with "Advanced Context Curation" mechanics (AST Masking & Fuzzy Slices).
+- [ ] Task: Update `docs/guide_tools.md` with C/C++ AST tool usage guidelines.
+- [ ] Task: Generate a final Phase 6 Verification Report in `conductor/tracks/phase6_review_20260510/`.
+- [ ] Task: Conductor - User Manual Verification 'Phase 4' (Protocol in workflow.md)

conductor/tracks/phase6_review_20260510/spec.md

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+# Specification: Phase 6 Review and Regression Verification
+
+## Overview
+Perform a comprehensive review and technical audit of the Phase 6 implementation. This track focuses on ensuring zero regressions via a full-suite batch test run and expanding test coverage for the four major "Advanced Context" features introduced in Phase 6.
+
+## Functional Requirements
+- **Regression Testing:** Execute the entire test suite (230+ tests) in batches of 4 files each to verify codebase stability.
+- **Feature Coverage:** Implement new integration and unit tests for:
+    - **AST Tree Masking:** Verify per-symbol masking logic against unconventional C++ samples from the `gencpp` project (components and dependencies).
+    - **Text Slice Highlighting:** Verify "Fuzzy Anchor" resolution resilience when files are modified.
+    - **Takes Snapshotting:** Verify that `FileItem` states (flags, masks, slices) are perfectly restored when branching/switching discussions.
+    - **Batch Operations UX:** Verify Shift-Click selection and mass-assignment logic.
+- **Technical Audit:** Review the Phase 6 commits to ensure adherence to Conductor workflow protocols (TDD, MMA delegation, and documentation sync).
+
+## Non-Functional Requirements
+- **Stability:** Ensure 0 regressions across the full suite.
+- **Documentation:** Synchronize `guide_architecture.md` and `guide_tools.md` with the new context mechanics.
+- **Reporting:** Generate a final Phase 6 Verification Report summarizing the findings.
+
+## Acceptance Criteria
+- [ ] Full suite batch run completes with 100% pass rate.
+- [ ] New tests for AST Masking, Text Slices, Snapshots, and Batch Ops are implemented and passing.
+- [ ] Verification of AST parsing successful against `gencpp` source samples.
+- [ ] Documentation updated to reflect the "Advanced Context Curation" architecture.
+- [ ] Final Audit Report created and approved.
+
+## Out of Scope
+- Functional changes to the RAG engine.
+- Implementation of new features beyond the Phase 6 scope.
+- Automated MMA orchestration for the `gencpp` project itself (this track is strictly for Manual Slop infrastructure verification).