gpt-5.3-codex review phase 1 - Flatten the documentation

docs/ui/README.md

@@ -26,7 +26,7 @@ When documents disagree, use this order:
 4. Durable failure behavior: [Error Handling invariant](../invariant/error_handling.md).
 5. Durable AI evidence behavior: [Digital Evidence and AI Processing Provenance](../invariant/ai_evidence_and_provenance.md).
 6. Data definitions and relationships: current models plus the [V4 schema](../ver4/schema_v4.md).
-7. Planned behavior changes: the applicable V4.x scope and implementation documents.
+7. Historical context only: [V4 revision history](../ver4/history.md).
 8. Implementation truth: current code and tests.
 
 If code intentionally changes accepted page behavior, update the corresponding page contract in the same change. If code accidentally differs, correct the implementation rather than rewriting intent to match a defect.
@@ -57,4 +57,4 @@ Each page contract contains:
 
 ## Current Baseline
 
-These contracts describe the completed V4 through V4.5 behavior.
+These contracts describe the current flattened V4 baseline.

docs/ui/pages/home.md

@@ -58,6 +58,6 @@ The application root and `/ui` redirect to `/ui/homepage`.
 
 ## Known Limitations
 
-- Homepage storage is fixed under the repository/application `data` directory rather than a configured application-data root.
+- Homepage storage location is configured by application settings and must remain writable in the active runtime environment.
 - Uploading an image is immediate and is not rolled back by Cancel.
 - The editor does not currently delete or select among previously uploaded images.

docs/ui/pages/jobs.md

@@ -53,7 +53,7 @@ Jobs manages transcription processing runs. A Job belongs to one Document, links
 
 ## Cancel Behavior
 
-- The confirmation explains that processing stops and remaining non-transcribed Sources become failed.
+- The confirmation explains that processing stops and remaining pending Sources become cancelled.
 - The service decides whether the current state permits cancellation.
 - Success updates the Job, notifies the worker, and returns to Job Detail.