docs(conductor): Initialize Phase 6 GenCpp UX Validation tracks

conductor/tracks/context_batch_operations_ux_20260510/index.md

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+# Track: Context Batch Operations UX
+
+- [Specification](./spec.md)
+- [Plan](./plan.md)

conductor/tracks/context_batch_operations_ux_20260510/metadata.json

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+{
+  "id": "context_batch_operations_ux_20260510",
+  "title": "Context Batch Operations UX",
+  "status": "planned"
+}

conductor/tracks/context_batch_operations_ux_20260510/plan.md

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+# Implementation Plan: Context Batch Operations UX
+
+## Phase 1: Selection State
+- [ ] Introduce a `selected_files` set in the `AppController` state.
+- [ ] Update `_render_context_panel` in `src/gui_2.py` to support clicking/checkboxes to modify the selection state.
+
+## Phase 2: Batch Actions
+- [ ] Add a 'Batch Actions' sub-menu or inline bar in the Context Panel.
+- [ ] Implement controller methods to apply state changes to all items in `selected_files`.

conductor/tracks/context_batch_operations_ux_20260510/spec.md

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+# Specification: Context Batch Operations UX
+
+## Overview
+Add multi-select and batch state modification capabilities to the Context Panel to allow rapid wrangling of large numbers of files (e.g., setting 20 C++ files to 'AST Signatures' at once).
+
+## Acceptance Criteria
+- [ ] Context panel supports multi-select (Shift-click, Ctrl-click, or checkboxes).
+- [ ] A batch operations context menu or action bar allows applying states (Force Full, Summary, AST Signatures, Remove) to all selected items.
+- [ ] Selections persist correctly during UI refreshes.