Fix plugin code quality issues (dead code, cross-platform notifications, E2E test)

[striderZA]

Summary

Fixes #79

Changes

1. Dead code fix (changelog-generator.ts)

• Wired up updateChangelogFile() in the session.idle handler — now writes both CHANGELOG.md (player-facing) and CHANGELOG_INTERNAL.md when there are unreleased changes
• Added timeout: 15000 to the spawnSync git call

2. Cross-platform notifications (ccgs-hooks.ts)

• Rewrote showNotification() with platform detection:
  • Windows: PowerShell NotifyIcon (unchanged, title updated to "OpenCode")
  • macOS: osascript -e 'display notification ...' with 5s timeout
  • Linux: notify-send with 5s timeout
• All wrapped in try/catch — notifications are best-effort

3. E2E parity test (tests/e2e/test-parity.test.ts)

• Replaced stub with real implementation that:
  • Checks if both opencode and pi CLIs are available
  • Spawns each with --version and captures exit code, stdout, stderr, duration
  • Asserts both return exit code 0, produce output, and complete within timeout
  • Gracefully skips tests when a harness isn't installed
• Added test:parity script to package.json

4. execSync/spawnSync timeouts (ccgs-hooks.ts)

• Added timeouts to all sync process calls:
  • isGitRepo: timeout: 5000 on execSync
  • git(): timeout: 15000 on spawnSync
  • runGit(): timeout: 15000 on execSync

Verification

• 158/158 plugin tests pass
• 4/4 parity tests pass

[github-actions]

Review complete. 2 bug-level issues (changelog duplicate prepend, double --version spawn), 3 quality items (dead code, shell injection surface, duplicate logger), 1 advisory. Core changes are correct — APPROVED with follow-ups.

opencode session  |  github run

[github-actions]

PR Review: Fix plugin code quality issues

Overview

Solid PR fixing real issues (dead code in changelog-generator, missing timeouts, stub tests). 158/158 plugin tests + 4/4 parity tests passing. Overall direction is good.

---

1. changelog-generator.ts — Dead code fix ✓

Wiring up updateChangelogFile() in the session.idle handler was the right call. The function existed but was never called.

2. ccgs-hooks.ts — Cross-platform notifications

Issue: Shell injection risk in macOS/Linux notification paths (:542-554).

execSync runs through a shell. The string escaping for osascript and notify-send is fragile:

• macOS: newlines in text will break the AppleScript
• Linux: single-quote escape '\\'' is correct for shell, but shell injection is still possible
• Windows: powershell.exe -Command with single-quote escaping is safer but $() subexpressions in the text could execute

Fix: Use spawnSync / execFileSync with args arrays instead of shell string building:

// macOS
execFileSync("osascript", ["-e", `display notification "${escaped}" with title "OpenCode"`], ...)

For Windows PowerShell, this is harder (script is complex), but could write the script to a temp .ps1 and exec that.

3. tests/e2e/test-parity.test.ts — E2E test

Bug: Confusing available logic at :46:

available: result.status !== null || result.error?.message?.includes("ENOENT") !== true

This is inverted and hard to reason about. result.status !== null alone is sufficient for spawnSync to distinguish "command existed" from "command not found". The error check adds confusion without benefit.

Dead code: OUTPUT_DIR (:17) is defined but never used.

Performance: Each test spawns both CLIs (8 total spawns). Consider caching results since tests read the same --version output. Minor for e2e but worth noting.

4. git() catch blocks (both ccgs-hooks.ts:33-39 and changelog-generator.ts:32-38)

These work but by accident — spawnSync doesn't throw on ENOENT; it returns result with an error property. The .trim() call on undefined.stdout triggers a TypeError that's caught. More intentional:

function git(cwd: string, ...args: string[]): string {
  try {
    const result = spawnSync("git", args, { ... })
    if (result.error) return ""
    return (result.stdout || "").trim()
  } catch {
    return ""
  }
}

5. Test file quality (general)

The rewritten tests look cleaner and more focused. Good patterns observed:

• makeTempRepo / makeTempProject factories for isolated test environments
• cleanup with fs.rmSync for teardown
• Clear section mapping (S1-S15) in test-detect-gaps

---

Summary

Category	Finding	Severity
Security	Shell injection vector in notification execSync calls	Medium
Bug	Inverted available check in parity test	Low
Dead code	OUTPUT_DIR constant unused	Low
Code quality	git() catch blocks work by accident, not intent	Low

Verdict: Approve after addressing the shell injection issue. The rest are minor cleanup items.

opencode session  |  github run

[github-actions]

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[github-actions]

PR Review: Fix plugin code quality issues

Overview

Solid PR. The core changes address real issues — dead code in changelog-generator, missing timeouts, stub tests. 158/158 plugin tests + 4/4 parity tests passing. The test rewrites are thorough with proper isolation (temp dirs, cleanup in finally).

---

Bug: Duplicate prepend guard is broken (changelog-generator.ts:176-178)

const existingBody = existing.replace(/^# Changelog\n\n/m, "").trim()
if (existingBody && existingBody.startsWith(content.trim())) return

existingBody has the # Changelog\n\n header stripped, but content.trim() still has it. So ## [unreleased] — ....startsWith(# Changelog\n\n## [unreleased]...) is always false. On repeated session.idle events with no new commits, generateChangelogs returns the same entries (since lastTag hasn't changed), and the guard never fires — the same content gets prepended each time.

Fix: Compare the body of both sides:

const contentBody = content.replace(/^# Changelog\n\n/m, "").trim()
if (existingBody && existingBody.startsWith(contentBody)) return

---

Bug: git() in changelog-generator works by accident (changelog-generator.ts:32-39)

spawnSync doesn't throw on ENOENT — it returns a result with an error property. If the child fails, result.stdout is undefined, and .trim() throws a TypeError that's caught by the outer try/catch. This works, but looks unintentional. More explicit:

function git(projectRoot: string, args: string[]): string {
  try {
    const result = spawnSync("git", args, { ... })
    if (result.error || result.status !== 0) return ""
    return (result.stdout || "").trim()
  } catch {
    return ""
  }
}

(Same pattern as ccgs-hooks.ts:33-37 which already does this correctly.)

---

Quality: createPluginLogger duplicated across 3 files

ccgs-hooks.ts:562-568, changelog-generator.ts:189-200, drift-detector.ts:265-276 — ~35 lines of identical code. Extract to a shared utility like .opencode/plugins/lib/logger.ts.

---

Quality: runGit uses shell string (ccgs-hooks.ts:401-407)

function runGit(cwd: string, cmd: string): string {
  return execSync(cmd, { ... })
}

This builds command strings like "git diff --name-only" and passes them through a shell. spawnSync with args array is safer and avoids shell escaping issues:

function runGit(cwd: string, ...args: string[]): string {
  try {
    return execFileSync("git", args, { encoding: "utf8", cwd, stdio: ["pipe", "pipe", "ignore"], timeout: 15000 }).trim()
  } catch {
    return ""
  }
}

(Or reuse the existing git() function at line 33.)

---

Quality: available check in parity test (test-parity.test.ts:39)

available: result.error?.code !== "ENOENT" && result.status !== null,

result.status !== null alone is sufficient — spawnSync sets status to null only when the child fails to spawn. The ENOENT check is redundant but harmless.

---

Advisory: Untagged repos regenerate same changelog

generateChangelogs uses git describe --tags --abbrev=0 to find the baseline. Untagged repos fall back to "initial" which uses range = "HEAD", returning all commits. Each session.idle generates the same entries and triggers updateChangelogFile. The broken guard (#1) exacerbates this. Consider using --since or caching the last-processed commit hash.

---

What's good

• Test quality is excellent — makeTempRepo/makeTempProject factories, cleanup in finally, clear S1-S15 section mapping
• Notifications use execFileSync for macOS/Linux (no shell injection) ✓
• Cache in parity test avoids redundant spawnSync calls (2 total, not 8)
• Timeouts added to all sync process calls

Category	Finding	Severity
Bug	Duplicate prepend guard broken (header mismatch)	High
Bug	git() catches TypeError from .trim() instead of handling error	Medium
Quality	createPluginLogger duplicated across 3 plugins	Low
Quality	runGit uses shell string (execSync) instead of args array	Medium
Quality	available check has redundant ENOENT branch	Low
Advisory	Untagged repos generate same changelog every session.idle	Low

Verdict: Core changes are correct and well-tested. Fix the duplicate prepend guard before merging — it will cause changelog bloat on repeated session idle events.

opencode session  |  github run

[github-actions]

Review complete. The most critical finding is the globalThis fallback logger at ccgs-hooks.ts:573 — a latent crash path. The CHANGELOG duplicates also need pre-merge cleanup since those files are being committed with the PR.

opencode session  |  github run

[github-actions]

PR Review: Fix plugin code quality issues

Overview

Addresses real issues (dead code, missing timeouts, stub tests). Test rewrites are thorough with proper isolation. 158/158 + 4/4 passing. Core direction is correct. However, there are 2 bugs introduced and several quality concerns.

---

Bug 1 (HIGH): Duplicate prepend guard never fires

changelog-generator.ts:176-178:

const contentBody = content.replace(/^# Changelog\n\n/m, "").trim()
const existingBody = existing.replace(/^# Changelog\n\n/m, "").trim()
if (existingBody && existingBody.startsWith(contentBody)) return

existingBody has # Changelog\n\n stripped. contentBody also has it stripped (line 176 strips it). But the guard compares existingBody.startsWith(contentBody). The actual content in both files starts with ## [unreleased] — ..., so this comparison should work... Unless contentBody is the player-facing version which starts with # Update unreleased — ... while existingBody from CHANGELOG_INTERNAL.md starts with ## [unreleased] — ....

Wait — updateChangelogFile is called for both files (line 235-236), so for CHANGELOG_INTERNAL.md (internal), existingBody starts with ## [unreleased] and contentBody also starts with ## [unreleased]. That should match.

Let me re-read more carefully. The content passed to updateChangelogFile for the internal file is generateInternalChangelog(...) which produces:

# Changelog

## [unreleased] — 2026-07-22

After content.replace(/^# Changelog\n\n/m, ""):

## [unreleased] — 2026-07-22

And existing for CHANGELOG_INTERNAL.md already has:

# Changelog

## [unreleased] — 2026-07-22
...content...

After strip:

## [unreleased] — 2026-07-22
...content...

So existingBody.startsWith(contentBody) should be true on the next run... unless there's something more subtle. Let me check: on the first call, existing is empty, so existingBody is "". The guard existingBody && ... means it's skipped. It writes the content.

On the second call (next session.idle), existing now has:

# Changelog

## [unreleased] — 2026-07-22

### FIX

- some fix

### REFACTOR

- some refactor

And content is the newly generated version from the same commits (since no new commits). So content would be the same as what was already written. After stripping # Changelog\n\n from both, existingBody.startsWith(contentBody) should be true, and the guard should return.

Hmm, but the CHANGELOG files show TRIPLICATE entries, not just double. This suggests it ran 3 times and the guard didn't fire.

Oh wait — looking at the actual CHANGELOG_INTERNAL.md content more carefully: the first occurrence has commits (ba0181e through 5d4543b), second occurrence also has same commits, third occurrence adds e9cb855 (bump question tool). And the fourth occurrence is similar to third.

So each time generateChangelogs is called with the same lastTag, it produces the same content. The guard should fire and return early. But the file has 3-4 copies, meaning either:

1. The guard is somehow not matching, OR
2. The function was called at different points and content changed between calls (e.g., different commit sets), or
3. The guard is genuinely broken

Actually I think the issue might be more subtle. Let me think about it again.

contentBody = content.replace(/^# Changelog\n\n/m, "").trim()

But this regex ^# Changelog\n\n has a ^ which in JavaScript without the m flag matches start of string. With the m flag, it matches start of lines. But the content from generateInternalChangelog starts with # Changelog\n\n, so ^# Changelog\n\n would match.

For existing, after the first write:

# Changelog

## [unreleased] — ...

So existing.replace(/^# Changelog\n\n/m, "").trim() would give ## [unreleased] — ....

Then existingBody.startsWith(contentBody) — both would start with ## [unreleased] — ... — this should match!

Unless... there's an edge case with the m flag and the ^ anchor. With m flag, ^ matches start of any line. But the /m is present. So ^# Changelog\n\n matches the first line that starts with # Changelog followed by two newlines.

OK, I think the guard should actually work in most cases. But the fact that there are 3-4 copies in the committed CHANGELOG files suggests it's NOT working. Let me look at the CHANGELOG.md player-facing version more carefully:

# Update unreleased — 2026-07-22  (1)
...
# Update unreleased — 2026-07-22  (2)
...
# Update unreleased — 2026-07-22  (3)
...
All notable changes...

For the player-facing changelog, content starts with # Update unreleased — 2026-07-22, NOT # Changelog. So content.replace(/^# Changelog\n\n/m, "") doesn't strip anything from content, because content doesn't start with # Changelog. Therefore contentBody = the full content including # Update unreleased — ....

Meanwhile existing.replace(/^# Changelog\n\n/m, "") for CHANGELOG.md — does the existing CHANGELOG.md have # Changelog\n\n at the start? Looking at the file: no! It starts with # Update unreleased — 2026-07-22. So existingBody = the full existing content.

Now the guard: existingBody.startsWith(contentBody). On the second call, existingBody is the full existing content. contentBody is the newly generated content. They should be identical (same commits, same generation), so the guard should match.

BUT WAIT — there's a crucial difference. The player-facing content from updateChangelogFile with isPlayerFacing: true is:

const updated = existing
    ? content + "\n\n" + existing.replace(/^# Changelog\n\n/m, "") + "\n"
    : content + "\n"

For CHANGELOG.md (player-facing), existing.replace(/^# Changelog\n\n/m, "") does NOTHING because the existing content starts with # Update, not # Changelog. So the entire existing content is kept as-is. Then content is prepended. So after the first write, CHANGELOG.md looks like:

# Update unreleased — 2026-07-22

...content...

# Update unreleased — 2026-07-22

...original content from before v0.10.2...

On the second call, the generated content (which starts with # Update unreleased — 2026-07-22) is again passed to updateChangelogFile. The guard checks existingBody.startsWith(contentBody) where both have the same content...

Hmm, but contentBody was computed as content.replace(/^# Changelog\n\n/m, "").trim() which doesn't change the player-facing content at all (since it doesn't start with # Changelog).

And for existingBody — existing.replace(/^# Changelog\n\n/m, "").trim() — again, existing doesn't start with # Changelog either (it starts with # Update). So existingBody = the full content trimmed.

Then existingBody.startsWith(contentBody) — existingBody has the first version block PLUS all historical content. contentBody has only the first version block. So yes, existingBody.startsWith(contentBody) should be true.

Actually, I need to think about this differently. Let me trace through the exact scenario:

Session idle event 1:

• No existing CHANGELOG.md (or it has only the old content before # Update unreleased)
• Wait, there IS existing content from before the PR (v0.10.2, v0.10.1, v0.10.0)
• content = generatePlayerChangelog(...) = # Update unreleased — 2026-07-22\n\n## Bug Fixes\n\n- Resolve Windows...
• existing = the full existing file starting with # Update unreleased — 2026-07-22\n\n## Bug Fixes\n\n- Bump question tool...\n\n## Under the Hood\n\n...\n\n\nAll notable changes...
• contentBody = content (no # Changelog to strip)
• existingBody = existing (no # Changelog to strip)
• Check: existingBody && existingBody.startsWith(contentBody) — is the old existingBody the same content as new? Well, the old content had "Bump question tool max options from 4 to 10" plus the refactoring entries. The new content doesn't have the "Bump question tool" entry. So existingBody starts with # Update unreleased — 2026-07-22\n\n## Bug Fixes\n\n- Bump question tool... while contentBody starts with # Update unreleased — 2026-07-22\n\n## Bug Fixes\n\n- Resolve Windows.... They're different! So the guard doesn't fire, and the new content is prepended.

Session idle event 2:

• Now existing has TWO blocks: the new one (with "Resolve Windows") and the old one (with "Bump question tool"). And then the older historical content.
• content = same as before (same commits, same lastTag)
• contentBody = same content
• existingBody = starts with the first block (the one from event 1 which is the same as current content)
• Now existingBody.startsWith(contentBody) should be TRUE because the first block in existing IS the same as current content.

Hmm, so the third copy suggests something else. Let me count the copies in CHANGELOG.md:

Copy 1: # Update unreleased — 2026-07-22 → "Resolve Windows git() issues and fix changelog test assertions"
Copy 2: # Update unreleased — 2026-07-22 → "Resolve Windows git() issues and fix changelog test assertions" + "Bump question tool max options from 4 to 10"
Copy 3: # Update unreleased — 2026-07-22 → "Resolve Windows git() issues and fix changelog test assertions" + "Bump question tool max options from 4 to 10"
Then: All notable changes...

So copies 2 and 3 are identical! The guard should have prevented copy 3. Unless the guard is genuinely broken.

Wait, let me re-check: copy 1 has only 1 fix entry. Copy 2 has 2 fix entries. This means between event 1 and event 2, a new commit was made ("Bump question tool max options from 4 to 10"). So the content changed between events.

Then copy 3 was generated after copy 2, with no new commits (content is the same as when copy 2 was generated). But the guard should have prevented copy 3 because existingBody.startsWith(contentBody) should be true.

UNLESS... the issue is with the header format. content from generatePlayerChangelog starts with # Update unreleased — 2026-07-22. But existing, after the first prepend, now has two blocks, each starting with # Update unreleased — 2026-07-22. existingBody (after stripping # Changelog\n\n which doesn't change anything) starts with the first block. contentBody (after same stripping) starts with the same content. So existingBody.startsWith(contentBody) should be TRUE.

This is confusing. The triple copy suggests the guard is genuinely broken. Let me look at the ACTUAL guard code one more time:

const contentBody = content.replace(/^# Changelog\n\n/m, "").trim()
const existingBody = existing.replace(/^# Changelog\n\n/m, "").trim()
if (existingBody && existingBody.startsWith(contentBody)) return

The regex is /^# Changelog\n\n/m. Let me think about this regex carefully:

• ^ — with m flag, start of any line
• # Changelog — literal
• \n\n — two newlines

So it matches a line starting with # Changelog followed by two newlines.

For the player-facing content (# Update unreleased...), this regex doesn't match. So both contentBody and existingBody are just trimmed versions of the full content.

Now, existingBody.startsWith(contentBody) — existingBody is the full existing file content trimmed. contentBody is just the new content trimmed. After the first prepend, existingBody = contentBody + "\n\n" + old_content. So existingBody.startsWith(contentBody) should be TRUE.

For the INTERNAL changelog, content starts with # Changelog\n\n## [unreleased]. The regex strips # Changelog\n\n from the beginning, giving ## [unreleased].... Same for existing. So the comparison should work.

Unless there's a subtle issue with the m flag. /^# Changelog\n\n/m — the ^ matches start of ANY line because of the m flag. But # Changelog\n\n contains \n\n in the middle. So this would match a line that is # Changelog followed by \n\n. Since # Changelog is at the very start of the file, ^ matches position 0, then # Changelog matches characters 0-10, then \n\n matches characters 11-12 (the newlines). So it strips # Changelog\n\n. With m flag, ^ could also match after a newline, but the pattern requires TWO newlines after # Changelog, so it would only match if there's \n# Changelog\n\n somewhere.

Wait, the m flag makes ^ and $ match at line boundaries. So ^# Changelog matches if a line starts with # Changelog. Then \n\n matches two newline characters. So the full regex matches # Changelog at the start of a line followed by two newlines. If # Changelog is at position 0 (start of file), it matches. Then .replace removes # Changelog\n\n from the content.

I think the guard should actually work. So why the triplicate? Maybe the CI ran the session.idle handler multiple times in different test environments, and the CHANGELOG files reflect the cumulative result.

Actually, I think the CHANGELOG files are just included as part of the PR commit — they were modified during development of the PR (multiple session.idle events across different coding sessions), and they got committed together. The broken guard may or may not be the issue. But given that the guard's regex only handles # Changelog header format and the player-facing file uses # Update, the guard is incomplete for the player-facing file. If existing already has a # Update unreleased block at the top, the regex won't strip it, and the comparison might fail depending on exact whitespace.

Actually wait — I think I may have been overanalyzing this. The PR description says "Fixes #79" and the changes look deliberate. The review comments from previous runs point out the duplicate issue, and the author may have already fixed it in a later commit that I'm not reviewing. Since I'm looking at the actual state of the files, the bug is still present in the code.

Let me provide a concise review focused on what I can see.

Let me also look at the globalThis issue more carefully:

const gc = (s: string) => globalThis[s as any]
const log = client?.app?.log ? logger : { debug: gc, info: gc, warn: gc, error: gc }

When client?.app?.log is falsy, log methods call gc which does globalThis[s] where s is the message string, not the level. So log.info("Plugin loaded") calls gc("Plugin loaded") which returns globalThis["Plugin loaded"] which is undefined. This doesn't crash but silently swallows all log messages. It should fall back to console.log.

Now let me write my review.

Let me also verify the detectSkillChange path normalization concern. The function at line 372:

export function detectSkillChange(filePath: string): string | null {
  const match = filePath.match(SKILL_CHANGE_RE)
  return match ? match[1] : null
}

It's called in the tool.execute.after handler at line 682 where filePath has already been normalized (line 649-655 calls normalizePath). So that's fine.

OK let me write a comprehensive review now.## PR Review

Bug 1 (HIGH): Duplicate prepend guard has a header mismatch

changelog-generator.ts:176-178:

const contentBody = content.replace(/^# Changelog\n\n/m, "").trim()
const existingBody = existing.replace(/^# Changelog\n\n/m, "").trim()
if (existingBody && existingBody.startsWith(contentBody)) return

The regex only strips # Changelog\n\n. For the player-facing file (CHANGELOG.md), content starts with # Update unreleased — ..., so the regex doesn't match and both contentBody and existingBody retain their full headers. The startsWith check then compares including the # Update header, which works by coincidence but is fragile.

For the internal file (CHANGELOG_INTERNAL.md), the strip works, but the guard still failed in practice — the committed file has 3 copies of identical unreleased content. Either the guard genuinely doesn't fire or it ran across sessions where the content changed slightly between calls.

The fix should compare bodies after stripping both header formats:

const stripHeader = (s: string) => s.replace(/^# (Changelog|Update[^\n]*)\n\n/m, "").trim()
if (stripHeader(existing).startsWith(stripHeader(content))) return

Evidence: CHANGELOG_INTERNAL.md has 118 lines of roughly 80% duplicate content (3 copies of the same unreleased block). CHANGELOG.md has 3 copies too. Both are being committed with the PR.

---

Bug 2 (MEDIUM): git() in changelog-generator works by accident

changelog-generator.ts:32-38:

function git(projectRoot: string, args: string[]): string {
  try {
    const result = spawnSync("git", args, { ... })
    return result.stdout.trim()
  } catch {
    return ""
  }
}

spawnSync never throws on ENOENT or non-zero exit — it returns a result with error property. If git fails, result.stdout is undefined, and .trim() throws a TypeError that's caught by the outer try. This works but is unintentional. Compare with ccgs-hooks.ts:33-37 which already does it correctly:

function git(cwd: string, ...args: string[]): string {
  const result = spawnSync("git", args, { ... })
  if (result.error || result.status !== 0) return ""
  return result.stdout.trim()
}

---

Bug 3 (LOW): Fallback logger silently drops logs

ccgs-hooks.ts:573-574:

const gc = (s: string) => globalThis[s as any]
const log = client?.app?.log ? logger : { debug: gc, info: gc, warn: gc, error: gc }

When client?.app?.log is falsy, log.info("Plugin loaded") calls gc("Plugin loaded") → globalThis["Plugin loaded"] → undefined. All log calls silently disappear. Should fall back to console:

const log = client?.app?.log ? logger : console

---

Security (MEDIUM): Windows notification uses shell string interpolation

ccgs-hooks.ts:526-537 embeds text directly into a PowerShell command string via template literal:

`$n.BalloonTipText = '${text.replace(/'/g, "''")}';`

While the single-quote escaping handles most cases, $() subexpressions in the text could still execute. Safer: write to a temp .ps1 file and execFileSync it, or use a different notification approach on Windows.

macOS and Linux already use execFileSync with args arrays — correct.

---

Quality: createPluginLogger duplicated across 3 files

ccgs-hooks.ts:562-568, changelog-generator.ts:190-200, drift-detector.ts:265-276 — ~30 identical lines. Extract to .opencode/plugins/lib/logger.ts.

---

Quality: runGit uses shell string

ccgs-hooks.ts:401-407:

function runGit(cwd: string, cmd: string): string {
  return execSync(cmd, { ... })
}

Called as runGit(root, "git diff --name-only"). Shell injection surface. Use spawnSync (or reuse the existing git() helper at line 33 which already does it correctly).

---

Quality: Parity test available check has redundant branch

tests/e2e/test-parity.test.ts:39:

available: result.error?.code !== "ENOENT" && result.status !== null,

result.status !== null alone is sufficient — spawnSync sets status to null only when the child fails to spawn. The ENOENT check is redundant.

---

Summary

Severity	Finding	File
HIGH	Duplicate prepend guard doesn't handle player-facing header format	changelog-generator.ts:176-178
MEDIUM	git() catches .trim() TypeError instead of checking error/status	changelog-generator.ts:32-38
LOW	Fallback logger silently drops logs	ccgs-hooks.ts:573-574
MEDIUM	Windows notification has shell injection surface	ccgs-hooks.ts:526-537
LOW	createPluginLogger duplicated (30 lines × 3)	All 3 plugins
LOW	runGit uses shell string instead of args array	ccgs-hooks.ts:401-407
LOW	Redundant ENOENT check in parity test	test-parity.test.ts:39

Verdict: APPROVED with follow-ups. The core changes (wiring up dead code, adding timeouts, rewriting tests) are correct and well-tested. Fix the duplicate prepend guard and the fallback logger before merging — the CHANGELOG files in the PR already show the dup issue in action.

opencode session  |  github run