chore(conductor): Add new tracks for 'Session Context Snapshots' and 'Discussion Takes'

conductor/tracks/discussion_takes_branching_20260311/index.md

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+# Track discussion_takes_branching_20260311 Context
+
+- [Specification](./spec.md)
+- [Implementation Plan](./plan.md)
+- [Metadata](./metadata.json)

conductor/tracks/discussion_takes_branching_20260311/metadata.json

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+{
+  "track_id": "discussion_takes_branching_20260311",
+  "type": "feature",
+  "status": "new",
+  "created_at": "2026-03-11T19:30:00Z",
+  "updated_at": "2026-03-11T19:30:00Z",
+  "description": "Discussion Takes & Timeline Branching: Tabbed interface for multi-timeline takes, message branching, and synthesis generation workflows."
+}

conductor/tracks/discussion_takes_branching_20260311/plan.md

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+# Implementation Plan: Discussion Takes & Timeline Branching
+
+## Phase 1: Backend Support for Timeline Branching
+- [ ] Task: Write failing tests for extending the session state model to support branching (tree-like history or parallel linear "takes" with a shared ancestor).
+- [ ] Task: Implement backend logic to branch a session history at a specific message index into a new take ID.
+- [ ] Task: Implement backend logic to promote a specific take ID into an independent, top-level session.
+- [ ] Task: Conductor - User Manual Verification 'Phase 1: Backend Support for Timeline Branching' (Protocol in workflow.md)
+
+## Phase 2: GUI Implementation for Tabbed Takes
+- [ ] Task: Write GUI tests verifying the rendering and navigation of multiple tabs for a single session.
+- [ ] Task: Implement a tabbed interface within the Discussion window to switch between different takes of the active session.
+- [ ] Task: Add a "Split/Branch from here" action to individual message entries in the discussion history.
+- [ ] Task: Add a UI button/action to promote the currently active take to a new separate session.
+- [ ] Task: Conductor - User Manual Verification 'Phase 2: GUI Implementation for Tabbed Takes' (Protocol in workflow.md)
+
+## Phase 3: Synthesis Workflow Formatting
+- [ ] Task: Write tests for a new text formatting utility that takes multiple history sequences and generates a compressed, diff-like text representation.
+- [ ] Task: Implement the sequence differencing and compression logic to clearly highlight variances between takes.
+- [ ] Task: Conductor - User Manual Verification 'Phase 3: Synthesis Workflow Formatting' (Protocol in workflow.md)
+
+## Phase 4: Synthesis UI & Agent Integration
+- [ ] Task: Write GUI tests for the multi-take selection interface and synthesis action.
+- [ ] Task: Implement a UI mechanism allowing users to select multiple takes and provide a synthesis prompt.
+- [ ] Task: Implement the execution pipeline to feed the compressed differences and user prompt to an AI agent, and route the generated synthesis to a new "take" tab.
+- [ ] Task: Conductor - User Manual Verification 'Phase 4: Synthesis UI & Agent Integration' (Protocol in workflow.md)

conductor/tracks/discussion_takes_branching_20260311/spec.md

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+# Specification: Discussion Takes & Timeline Branching
+
+## 1. Overview
+This track introduces non-linear discussion timelines, allowing users to create multiple "takes" (branches) from a shared point in a conversation. It includes UI for managing these parallel timelines within a single discussion window and features a specialized synthesis workflow to merge ideas from multiple takes.
+
+## 2. Functional Requirements
+
+### 2.1 Timeline Branching (Takes)
+- **Message Branching:** Add a "Split/Branch from here" action on individual discussion messages.
+- **Tabbed Interface:** Branching creates a new "take," represented visually as a new tab within the same discussion session. The new tab shares the timeline history up to the split point.
+- **Take Promotion:** Allow users to promote any specific take into an entirely new, standalone discussion session.
+
+### 2.2 Take Synthesis Workflow
+- **Multi-Take Selection:** Provide a UI to select multiple takes from a shared split point for comparison and synthesis.
+- **Diff/Compressed Representation:** Develop a formatted representation (e.g., compressed diffs or parallel sequence summaries) that clearly highlights the differences between the selected takes.
+- **Synthesis Generation:** Feed the compressed representation of the differences to an AI agent along with a user prompt (e.g., "I liked aspects of both, do C with these caveats") to generate a new, synthesized take.
+
+## 3. Acceptance Criteria
+- [ ] Users can split a discussion from any message to create a new "take".
+- [ ] Takes are navigable via a tabbed interface within the discussion window.
+- [ ] A take can be promoted to a standalone discussion session.
+- [ ] Multiple takes can be selected and formatted into a compressed difference view.
+- [ ] An AI agent can successfully process the compressed take view to generate a synthesized continuation.