chore: import upstream snapshot with attribution

tests/cli_e2e/note/coverage.md

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+# Note CLI E2E Coverage
+
+## Metrics
+- Denominator: 2 leaf commands
+- Dry-run covered: 2
+- Dry-run coverage: 100.0%
+- Live covered: 0
+- Live coverage: 0.0%
+
+Live E2E is intentionally not counted yet because both commands require meeting-generated note artifacts; stable create/use/cleanup fixtures are not available in this test suite.
+
+## Summary
+- TestNoteDetailDryRun: dry-run coverage for `note +detail`; asserts the detail request method and `/open-apis/vc/v1/notes/{note_id}` URL without calling live APIs.
+- TestNoteTranscriptDryRun: dry-run coverage for `note +transcript`; asserts the two-step request shape (`note detail` precheck, then `unified_note_transcript`), transcript query parameters, and that `--transcript-format` coexists with the global `--format` output flag.
+
+## Command Table
+
+| Status | Cmd | Type | Testcase | Key parameter shapes | Notes / uncovered reason |
+| --- | --- | --- | --- | --- | --- |
+| dry-run ✓ / live ✕ | note +detail | shortcut | note_dryrun_test.go::TestNoteDetailDryRun | `--note-id`; user identity | live note fixtures depend on meeting-generated artifacts |
+| dry-run ✓ / live ✕ | note +transcript | shortcut | note_dryrun_test.go::TestNoteTranscriptDryRun | `--note-id`; `--transcript-format`; `--format json`; transcript API `format/page_size/locale` params | live unified-note fixtures depend on generated VC note artifacts |