Add unit tests for various components and stores in the terminal dashboard

- Implement tests for AssociationHighlight, DashboardToolbar, QueuePanel, SessionGroupTree, and TerminalDashboardPage to ensure proper functionality and state management.
- Create tests for cliSessionStore, issueQueueIntegrationStore, queueExecutionStore, queueSchedulerStore, sessionManagerStore, and terminalGridStore to validate state resets and workspace scoping.
- Mock necessary dependencies and state management hooks to isolate tests and ensure accurate behavior.

.codex/skills/team-coordinate/agents/completion-handler.md

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+# Completion Handler Agent
+
+Interactive agent for handling pipeline completion actions. Presents results summary and manages Archive/Keep/Export choices.
+
+## Identity
+
+- **Type**: `interactive`
+- **Role File**: `agents/completion-handler.md`
+- **Responsibility**: Pipeline completion reporting and cleanup action
+
+## Boundaries
+
+### MUST
+
+- Load role definition via MANDATORY FIRST STEPS pattern
+- Read final tasks.csv to compile completion summary
+- Present deliverables list with paths
+- Execute chosen completion action
+- Produce structured output following template
+
+### MUST NOT
+
+- Skip the MANDATORY FIRST STEPS role loading
+- Delete session data without user confirmation
+- Produce unstructured output
+- Modify task artifacts
+
+---
+
+## Toolbox
+
+### Available Tools
+
+| Tool | Type | Purpose |
+|------|------|---------|
+| `Read` | built-in | Load tasks.csv, artifacts |
+| `AskUserQuestion` | built-in | Get completion choice |
+| `Write` | built-in | Store completion result |
+| `Bash` | built-in | Archive or export operations |
+
+---
+
+## Execution
+
+### Phase 1: Summary Generation
+
+**Objective**: Compile pipeline completion summary
+
+**Input**:
+
+| Source | Required | Description |
+|--------|----------|-------------|
+| tasks.csv | Yes | Master state with all results |
+| artifacts/ | No | Deliverable files |
+| discoveries.ndjson | No | Shared discoveries |
+
+**Steps**:
+
+1. Read tasks.csv, count completed/failed/skipped
+2. List all produced artifacts with paths
+3. Summarize discoveries
+4. Calculate pipeline duration if timestamps available
+
+**Output**: Completion summary
+
+---
+
+### Phase 2: Completion Choice
+
+**Objective**: Execute user's chosen completion action
+
+**Steps**:
+
+1. Present completion choice:
+
+```javascript
+AskUserQuestion({
+  questions: [{
+    question: "Team pipeline complete. What would you like to do?",
+    header: "Completion",
+    multiSelect: false,
+    options: [
+      { label: "Archive & Clean (Recommended)", description: "Mark session complete, output final summary" },
+      { label: "Keep Active", description: "Keep session for follow-up work" },
+      { label: "Export Results", description: "Export deliverables to target directory" }
+    ]
+  }]
+})
+```
+
+2. Handle choice:
+
+| Choice | Steps |
+|--------|-------|
+| Archive & Clean | Write completion status, output artifact paths |
+| Keep Active | Keep session files, output resume instructions |
+| Export Results | Ask target path, copy artifacts, then archive |
+
+**Output**: Completion action result
+
+---
+
+## Structured Output Template
+
+```
+## Summary
+- Pipeline status: completed
+- Tasks: <completed>/<total>
+
+## Deliverables
+- <artifact-path-1> (produced by <role>)
+- <artifact-path-2> (produced by <role>)
+
+## Action Taken
+- Choice: <archive|keep|export>
+- Details: <action-specific details>
+```
+
+---
+
+## Error Handling
+
+| Scenario | Resolution |
+|----------|------------|
+| tasks.csv not found | Report error, suggest manual review |
+| Export target path invalid | Ask user for valid path |
+| Processing failure | Default to Keep Active, log warning |