save checkpoint: save features

docs/features/checked/web/mi9-micro-copy-localisation.md

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+# MI9 - Micro-Copy Localisation (i18n Keys and ICU Messages)
+
+## Module
+Web
+
+## Status
+VERIFIED
+
+## Description
+Full micro-interaction localisation file with EN defaults covering all interaction states (loading/skeleton/progress, error types, offline banners, toast/undo, actions, validation, accessibility labels, motion preferences). i18n service exists for key resolution.
+
+## Implementation Details
+- **Feature directory**: `src/Web/StellaOps.Web/src/app/core/i18n/`
+- **Services**:
+  - `i18n` (`src/Web/StellaOps.Web/src/app/core/i18n/i18n.service.ts`)
+- **Source**: Feature matrix scan
+
+## E2E Test Plan
+- **Setup**:
+  - [ ] Log in with a user that has appropriate permissions
+  - [ ] Navigate to the relevant page/section where this feature appears
+  - [ ] Ensure test data exists (scanned artifacts, SBOM data, or seed data as needed)
+- **Core verification**:
+  - [ ] Verify the component renders correctly with sample data
+  - [ ] Verify interactive elements respond to user input
+  - [ ] Verify data is fetched and displayed from the correct API endpoints
+- **Edge cases**:
+  - [ ] Verify graceful handling when backend API is unavailable (error state)
+  - [ ] Verify responsive layout at different viewport sizes
+  - [ ] Verify accessibility (keyboard navigation, screen reader labels, ARIA attributes)
+
+## Verification
+- Run: `docs/qa/feature-checks/runs/web/mi9-micro-copy-localisation/run-001/`
+- Tier 0 (source): pass (`tier0-source-check.json`)
+- Tier 1 (build/tests): pass (`tier1-build-check.json`)
+- Tier 2 (behavior): pass (`tier2-e2e-check.json`)
+- Verified on (UTC): `2026-02-11T08:43:15.2115744Z`