test(01): complete UAT - 7 passed, 1 issue

.planning/phases/01-safety-foundation/01-UAT.md

@@ -0,0 +1,65 @@
+---
+status: complete
+phase: 01-safety-foundation
+source: [01-01-SUMMARY.md, 01-02-SUMMARY.md, 01-03-SUMMARY.md]
+started: 2026-02-28T21:25:00Z
+updated: 2026-02-28T21:35:00Z
+---
+
+## Current Test
+
+[testing complete]
+
+## Tests
+
+### 1. App launches with placeholder TUI
+expected: Running `cargo run` displays a TUI with a "BBS-MD" title in the top border and a welcome message. The terminal enters full-screen raw mode on the main screen buffer.
+result: pass
+
+### 2. Press 'q' to exit with goodbye message
+expected: While the TUI is running, pressing 'q' exits the app and displays a BBS-style goodbye box with "CARRIER LOST" text that shows briefly (~500ms) before returning to the shell prompt.
+result: pass
+
+### 3. Single Ctrl+C shows quit prompt
+expected: Pressing Ctrl+C once shows a yellow "Press Ctrl+C again to disconnect..." prompt in the TUI. The app does NOT exit yet.
+result: pass
+
+### 4. Double Ctrl+C exits
+expected: Pressing Ctrl+C twice within 2 seconds exits the app with the same BBS "CARRIER LOST" goodbye message.
+result: pass
+
+### 5. Quit prompt clears on other key
+expected: After pressing Ctrl+C once (seeing the quit prompt), pressing any other key (e.g., a letter or arrow key) dismisses the yellow quit prompt. The app continues running normally.
+result: pass
+
+### 6. Invalid config produces BBS-themed error
+expected: Creating a `bbs.toml` (next to the binary in `target/debug/`) with an unknown key like `bogus = true` causes the app to print a "SYSTEM ERROR" message mentioning "SysOp" to stderr and exit with code 1 — without entering the TUI.
+result: pass
+
+### 7. SIGTERM clean exit
+expected: While the TUI is running, sending SIGTERM from another terminal (`kill $(pgrep bbs-md)`) causes the app to exit cleanly — no goodbye message, but the terminal is restored to a usable state (cursor visible, typing works normally).
+result: pass
+
+### 8. Terminal restored after exit
+expected: After exiting by any method (q, Ctrl+C, SIGTERM), the terminal is fully usable — cursor is visible, text input works, no garbled characters or stuck raw mode.
+result: issue
+reported: "Upon exiting the app the frame is left in the terminal. Could we use a second buffer or something to render the tui and exit without leaving artifacts?"
+severity: minor
+
+## Summary
+
+total: 8
+passed: 7
+issues: 1
+pending: 0
+skipped: 0
+
+## Gaps
+
+- truth: "After exiting by any method, the terminal is fully clean — no TUI frame artifacts remain on screen"
+  status: failed
+  reason: "User reported: Upon exiting the app the frame is left in the terminal. Could we use a second buffer or something to render the tui and exit without leaving artifacts?"
+  severity: minor
+  test: 8
+  artifacts: []
+  missing: []