feat: Implement workflow phases for test generation and execution

- Added Phase 1: Session Start to detect input mode and create test workflow session.
- Added Phase 2: Test Context Gather to gather test context via coverage analysis or codebase scan.
- Added Phase 3: Test Concept Enhanced to analyze test requirements using Gemini and generate multi-layered test requirements.
- Added Phase 4: Test Task Generate to create test-specific tasks based on analysis results.
- Added Phase 5: Test Cycle Execute to manage iterative test execution and fix cycles with adaptive strategies.
- Introduced BottomPanel component for terminal dashboard with Queue and Inspector tabs.

.claude/skills/workflow-test-fix/phases/02-test-context-gather.md

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+# Phase 2: Test Context Gather (test-context-gather)
+
+Gather test context via coverage analysis or codebase scan.
+
+## Objective
+
+- Gather test context (coverage analysis or codebase scan)
+- Generate context package for downstream analysis
+
+## Execution
+
+### Step 1.2: Gather Test Context
+
+```
+// Session Mode - gather from source session
+Skill(skill="workflow:tools:test-context-gather", args="--session [testSessionId]")
+
+// Prompt Mode - gather from codebase
+Skill(skill="workflow:tools:context-gather", args="--session [testSessionId] \"[task_description]\"")
+```
+
+**Input**: `testSessionId` from Phase 1
+
+**Parse Output**:
+- Extract: context package path (store as `contextPath`)
+- Pattern: `.workflow/active/[testSessionId]/.process/[test-]context-package.json`
+
+**Validation**:
+- Context package file exists and is valid JSON
+- Contains coverage analysis (session mode) or codebase analysis (prompt mode)
+- Test framework detected
+
+**TodoWrite Update (tasks attached)**:
+```json
+[
+  {"content": "Phase 1: Test Generation", "status": "in_progress"},
+  {"content": "  → Create test session", "status": "completed"},
+  {"content": "  → Gather test context", "status": "in_progress"},
+  {"content": "    → Load source/codebase context", "status": "in_progress"},
+  {"content": "    → Analyze test coverage", "status": "pending"},
+  {"content": "    → Generate context package", "status": "pending"},
+  {"content": "  → Test analysis (Gemini)", "status": "pending"},
+  {"content": "  → Generate test tasks", "status": "pending"},
+  {"content": "Phase 2: Test Cycle Execution", "status": "pending"}
+]
+```
+
+**TodoWrite Update (tasks collapsed)**:
+```json
+[
+  {"content": "Phase 1: Test Generation", "status": "in_progress"},
+  {"content": "  → Create test session", "status": "completed"},
+  {"content": "  → Gather test context", "status": "completed"},
+  {"content": "  → Test analysis (Gemini)", "status": "pending"},
+  {"content": "  → Generate test tasks", "status": "pending"},
+  {"content": "Phase 2: Test Cycle Execution", "status": "pending"}
+]
+```
+
+## Output
+
+- **Variable**: `contextPath` (context-package.json path)
+
+## Next Phase
+
+Continue to [Phase 3: Test Concept Enhanced](03-test-concept-enhanced.md).