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Sprint 04 Validation Report (2026-02-20)

Scope

  1. Hardening regression checks after Sprint 04 code changes.
  2. Automated reliability checks for daemon restart resilience.
  3. Runtime race validation for active prompt interruption paths.

Commands

  1. cargo test --workspace
  2. ./examples/validate-sprint-04.sh (executed with default stub backend)
  3. ./examples/validate-sprint-04-runtime.sh (executed with polkit backend)

Results

  1. Workspace tests passed (39 garcard tests + workspace crates).
  2. validate-sprint-04.sh passed baseline and restart loop checks:
    • daemon reachable via ping/status
    • restart loop completed (3 stop/start iterations)
    • post-restart status and auth summary remained healthy (idle)
  3. Optional interactive pkcheck loop was intentionally skipped in this run:
    • requires live polkit challenge flow and operator interaction.
  4. Runtime race harness passed for both previously manual checks:
    • active prompt + daemon restart (garcardctl quit)
    • active prompt + SIGTERM
  5. Runtime log evidence (target/garcard-sprint04-runtime.log) confirms:
    • auth request reached active processing before interruption
    • daemon shutdown/termination unregistered cleanly
    • relaunch succeeded with healthy status and auth-summary

Hardening Outcomes Confirmed

  1. IPC control path now validates same-UID peer credentials.
  2. Prompt UI runtime path no longer relies on panic/expect for color parsing.
  3. Helper response buffers are scrubbed after sending to helper socket.

Remaining Manual Sprint 04 Checks

  1. Optional interactive acceptance pass (enter valid credentials, wrong-then-retry, explicit cancel) in full desktop session.
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1 # Sprint 04 Validation Report (2026-02-20)
2
3 ## Scope
4 1. Hardening regression checks after Sprint 04 code changes.
5 2. Automated reliability checks for daemon restart resilience.
6 3. Runtime race validation for active prompt interruption paths.
7
8 ## Commands
9 1. `cargo test --workspace`
10 2. `./examples/validate-sprint-04.sh` (executed with default `stub` backend)
11 3. `./examples/validate-sprint-04-runtime.sh` (executed with `polkit` backend)
12
13 ## Results
14 1. Workspace tests passed (`39` garcard tests + workspace crates).
15 2. `validate-sprint-04.sh` passed baseline and restart loop checks:
16 - daemon reachable via `ping`/`status`
17 - restart loop completed (`3` stop/start iterations)
18 - post-restart status and auth summary remained healthy (`idle`)
19 3. Optional interactive `pkcheck` loop was intentionally skipped in this run:
20 - requires live polkit challenge flow and operator interaction.
21 4. Runtime race harness passed for both previously manual checks:
22 - active prompt + daemon restart (`garcardctl quit`)
23 - active prompt + `SIGTERM`
24 5. Runtime log evidence (`target/garcard-sprint04-runtime.log`) confirms:
25 - auth request reached active processing before interruption
26 - daemon shutdown/termination unregistered cleanly
27 - relaunch succeeded with healthy `status` and `auth-summary`
28
29 ## Hardening Outcomes Confirmed
30 1. IPC control path now validates same-UID peer credentials.
31 2. Prompt UI runtime path no longer relies on panic/`expect` for color parsing.
32 3. Helper response buffers are scrubbed after sending to helper socket.
33
34 ## Remaining Manual Sprint 04 Checks
35 1. Optional interactive acceptance pass (enter valid credentials, wrong-then-retry, explicit cancel) in full desktop session.