From 64cb190b5d072ef523d19ee2732050689721a655 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christopher=20M=C3=BChl?= <toki@toph.so>
Date: Thu, 9 Apr 2026 17:22:39 +0200
Subject: [PATCH] docs(02-02): complete env audit display plan

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 .../02-02-SUMMARY.md                          | 63 +++++++++++++++++++
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 create mode 100644 .planning/phases/02-env-audit-and-cli-polish/02-02-SUMMARY.md

diff --git a/.planning/phases/02-env-audit-and-cli-polish/02-02-SUMMARY.md b/.planning/phases/02-env-audit-and-cli-polish/02-02-SUMMARY.md
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+---
+phase: 02-env-audit-and-cli-polish
+plan: 02
+subsystem: cli
+tags: [env-audit, masking, confirmation-prompt, ux]
+dependency_graph:
+  requires: [02-01]
+  provides: [print_audit, mask_value, env-confirmation-prompt]
+  affects: []
+tech_stack:
+  added: []
+  patterns: [associative-arrays-for-audit-tracking, ansi-color-with-no-color-support, tty-detection]
+key_files:
+  modified: [claudebox.sh]
+decisions:
+  - "export RED removed after Task 2 made it used -- shellcheck satisfied by actual usage not export"
+  - "read from /dev/tty for prompt input to handle piped stdin correctly"
+  - "mask_value shows first 7 + last 4 chars for values >11 chars, *** for shorter"
+metrics:
+  duration: 2min
+  completed: "2026-04-09T15:21:40Z"
+  tasks: 2
+  files: 1
+---
+
+# Phase 02 Plan 02: Env Audit Display and Confirmation Prompt Summary
+
+Pre-launch env audit with grouped sections (sandbox/host/extra), sensitive value masking, PATH splitting, and interactive Y/n confirmation with TTY detection.
+
+## Completed Tasks
+
+| # | Task | Commit | Key Changes |
+|---|------|--------|-------------|
+| 1 | Add parallel display arrays and env audit display function | `1c986d2` | ANSI colors with NO_COLOR support, mask_value(), AUDIT_*_KEYS/VALS arrays, print_audit() with grouped sections and PATH splitting |
+| 2 | Add confirmation prompt with TTY detection | `b035f82` | Proceed? [Y/n] prompt, TTY check via [[ -t 0 ]], non-TTY abort with actionable error, guarded by SKIP_AUDIT and DRY_RUN |
+
+## Deviations from Plan
+
+### Auto-fixed Issues
+
+**1. [Rule 3 - Blocking] shellcheck SC2034 for RED variable**
+- **Found during:** Task 1
+- **Issue:** RED was defined in ANSI color block but only used by Task 2's confirmation prompt code (not yet written)
+- **Fix:** Temporarily added `export RED` to satisfy shellcheck, then removed it in Task 2 commit after RED gained actual usage
+- **Files modified:** claudebox.sh
+- **Commit:** `1c986d2` (added), `b035f82` (removed)
+
+## Verification Results
+
+- `nix build` succeeds (shellcheck clean)
+- `grep -q mask_value claudebox.sh` -- present
+- `grep -q print_audit claudebox.sh` -- present
+- `grep -q 'Proceed.*Y/n' claudebox.sh` -- present
+- `grep -q 'SKIP_AUDIT.*true' claudebox.sh` -- present
+- Script flow order verified: flag parsing -> --check -> binary resolution -> env construction -> audit arrays -> audit+prompt -> dry-run -> exec bwrap
+
+## Threat Surface Scan
+
+T-02-03 mitigated: mask_value() auto-masks any var name matching *KEY*, *TOKEN*, *SECRET*, *PASSWORD*, *CREDENTIAL* (case-insensitive via ${name^^}).
+T-02-04 mitigated: mask_value() applies to all displayed vars regardless of source category.
+T-02-05 mitigated: non-TTY stdin aborts with error, never auto-proceeds.
+
+## Self-Check: PASSED