docs(06-02): complete pipeline module consolidation plan

- Move kb_pipeline/ to kb_workflow.pipeline/
- Update all imports to use absolute paths
- 278 tests pass (14 pre-existing failures unrelated to refactoring)
- CLI works with new module structure

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.planning/STATE.md

@@ -2,15 +2,15 @@
 gsd_state_version: 1.0
 milestone: v1.1
 milestone_name: Architecture Refactor
-status: in_progress
-stopped_at: 06-01 Metadata consolidation completed
-last_updated: "2026-03-17T00:10:00.000Z"
+status: completed
+stopped_at: Completed 06-02 Pipeline Module Consolidation
+last_updated: "2026-03-16T16:17:59.693Z"
 last_activity: 2026-03-17 — 06-01 Metadata consolidation completed
 progress:
   total_phases: 6
-  completed_phases: 5
+  completed_phases: 6
   total_plans: 17
-  completed_plans: 16
+  completed_plans: 17
   percent: 94
 ---
 
@@ -74,6 +74,7 @@ v1.1 decisions:
 - [Phase 05]: Patch get_settings at kb_pipeline.processors.base module level for tests
 - [Phase 06]: Rename kb-workflow to kb_workflow for Python package compatibility
 - [Phase 06]: Standard imports from kb_workflow.metadata instead of sys.path manipulation
+- [Phase 06-code-consolidation]: Use absolute imports (kb_workflow.pipeline.xxx) for all pipeline modules
 
 ### Blockers/Concerns
 
@@ -81,8 +82,8 @@ None.
 
 ## Session Continuity
 
-Last session: 2026-03-17T00:10:00.000Z
-Stopped at: 06-01 Metadata consolidation completed
-Resume file: .planning/phases/06-code-consolidation/06-02-PLAN.md
+Last session: 2026-03-16T16:17:59.692Z
+Stopped at: Completed 06-02 Pipeline Module Consolidation
+Resume file: None
 
 **Next step:** Execute 06-02-PLAN.md (Phase 6: Pipeline Module Consolidation)