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npub1mn7jgtj4w2pd0g0zeuhxsa6jy6p0rewxz4kujt98my82ahfmp72sxjexk7andWill Pfleger e1234a26a3 test(desktop): Phase 4 scope lifecycle, crash-boundary, and Mesh relay tests

Add 13 missing Phase 4 unit tests covering the full v4 test matrix:

Scope model (scope.rs):
- test_generation_staleness_detected_after_scope_change — stale-commit
  detection: captured generation G diverges from current after a switch
- test_scope_switch_a_to_b_to_a_advances_generation — A→B→A round-trip
  produces strictly increasing generations; relay fields correct at each step
- test_rapid_scope_switch_a_b_c_all_stale_after_c — rapid A→B→C: both A and
  B stale relative to C; counter order A < B < C
- test_switch_during_restore_detected_by_generation_check — mid-flight switch
  detected by generation check without spawning threads

Identity/scope lifecycle (app_state_tests.rs):
- test_import_before_first_apply_leaves_scope_none — import when scope=None
  does not derive/claim any scope; only bumps generation
- test_live_import_with_active_scope_clears_scope_and_bumps_generation —
  live import clears scope and advances generation; commands fail closed
- test_fallback_relay_never_claims_during_identity_import — identity import
  operations (clear + bump) never touch the filesystem claim ledger
- test_prepare_failure_leaves_old_scope_intact — old scope unchanged when
  commit_active_scope is never called (prepare error path)
- test_inactive_runtime_exit_after_scope_cleared_is_safe — scope=None after
  clear is safe for runtime-exit observers

Crash boundaries (scope_init.rs):
- test_crash_after_claim_before_staging_resumes_correctly — fallback claim
  exists, no staging: full staged install runs, legacy adopted
- test_crash_during_staging_copy_is_cleaned_on_retry — stale staging with
  partial content is cleaned; final file comes from legacy source
- test_crash_after_staging_manifest_before_rename_resumes_correctly —
  staging with manifest but no rename: cleaned and re-run
- test_crash_after_rename_before_ready_resumes_migrations — target exists
  with manifest but no _ready: skip re-staging, resume migrations, preserve
  post-crash writes

Also fixes ensure_scope_ready to implement the plan's "installed-but-not-Ready
resumes migrations" contract: when the target directory already has a manifest
(rename completed), skip install_staged and go straight to migrations + ready
marker, preserving any post-crash inbound/interactive writes.

Mesh relay-scope (mesh_llm_tests.rs):
- test_serve_pinned_relay_mismatch_fails_closed — relay mismatch detection
  + fail-closed error prefix verified against the exact code path
- test_client_relay_mismatch_is_not_fail_closed — client mismatch falls
  through (treat as absent), not the serve fail-closed error
- test_watchdog_scope_relay_check_uses_normalized_comparison — relay
  normalization consistency including trailing-slash and whitespace edge cases

All 2138 tests pass (was 2125).

Co-authored-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Will Pfleger <pfleger.will@gmail.com>

2026-08-03 00:43:31 -04:00