chore(conductor): Add new track 'Structural Dependency Mapping (SDM) Docstrings'

conductor/tracks/sdm_docstrings_20260509/plan.md

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+# Implementation Plan: Structural Dependency Mapping (SDM) Docstrings
+
+## Phase 1: Convention & Documentation
+- [ ] Task: Update `conductor/product-guidelines.md` with SDM convention
+- [ ] Task: Update `conductor/code_styleguides/python.md` with SDM convention
+- [ ] Task: Conductor - User Manual Verification 'Phase 1: Convention' (Protocol in workflow.md)
+
+## Phase 2: Tooling & Pilot
+- [ ] Task: Research AST-based mapping logic (identify mutation points and callers)
+- [ ] Task: Create a pilot script `scripts/sdm_mapper.py` to generate SDM tags for a single module (`src/models.py`)
+- [ ] Task: Manually verify generated tags for `src/models.py`
+- [ ] Task: Conductor - User Manual Verification 'Phase 2: Tooling' (Protocol in workflow.md)
+
+## Phase 3: Global Rollout (Core Logic)
+- [ ] Task: Run `sdm_mapper.py` on all files in `./src`
+- [ ] Task: Agent review of generated tags for core modules (`app_controller.py`, `gui_2.py`)
+- [ ] Task: Inject tags into `./src` docstrings
+- [ ] Task: Conductor - User Manual Verification 'Phase 3: Rollout' (Protocol in workflow.md)
+
+## Phase 4: Full Codebase & Finalization
+- [ ] Task: Run rollout for `./simulation` and `./tests`
+- [ ] Task: Run full test sweep to ensure no regressions [checkpoint: <sha>]
+- [ ] Task: Conductor - User Manual Verification 'Phase 4: Finalization' (Protocol in workflow.md)