Distillation

Current State

• Working in repo getsentry/spotlight (local path /home/byk/Code/getsentry/spotlight), fixing a macOS Electron notarization CI break in .github/workflows/build.yml and packages/spotlight/.
• Three PRs produced this session, in sequence:
  1. PR #1334 — fix/notarize-key-pem-armor → main: PEM-armor fix for Apple API key. Merged as commit 66d991e3. Verified green end-to-end on main via GitHub Actions run 29828172734 ("notarization successful" logged for both x64 and arm64).
  2. PR #1335 — chore/electron-builder-26: bump electron-builder ^24.13.3 → ^26.15.7 in packages/spotlight/package.json. All CI checks passed (Analyze x2, CodeQL, JUnit, Secret Scan, Seer Code Review, Socket Security x2, Unit Tests x2). User approved merge ("let's go" at 12:27); presumed merged (last confirmed status: all checks green).
  3. PR #1336 — chore/remove-redundant-notarize-afterSign → main: removes now-redundant afterSign notarize hook (scripts/notarize.cjs) since electron-builder's internal auto-notarize path already handles it. Commit 826147f1, pushed. Adversarial review (session ses_07b389a45ffevXSycBLvMQtjqJ) returned SAFE TO MERGE, zero findings. As of last check (13:11), CI status: all checks green except semgrep-cloud-platform/scan still pending; mergeStateStatus=UNSTABLE, mergeable=MERGEABLE. A follow-up check was scheduled ~75s later (task id ruqgboyn) to merge (squash, delete branch) once semgrep passes, then sync local main — this merge had not yet been confirmed complete as of the last observation.
• Deferred/optional item: none remaining — the electron-builder bump (originally deferred as "Secondary, low priority") was completed as PR #1335 after user approval.
• Session-wide directive in effect: never use sleep + pty_read polling loops to check command completion; rely on <pty_exited> message, only pty_read for live output if user asks or exit code is non-zero.
• Plan-mode directive in effect: assistant must always end its turn either by asking the user a question or by calling plan_exit.
• Repo convention: .opencode/ dir and packages/website/content.config.ts excluded from commits; .lore.md always staged with git add .lore.md when modified.

Key Decisions

• 🔴 (11:34) User decided the fix direction was to "Upgrade electron-builder toolchain" as a candidate approach — later refined once true root cause (missing PEM armor) was found.
• 🟡 (11:37) Assistant offered two paths: (1) wait for key bundle to diagnose exact PEM issue, or (2) proceed with electron-builder 26.15.7 upgrade blind. User provided the key bundle, enabling precise diagnosis.
• 🟡 (11:44) Fix plan finalized with two parts: (1) Primary — PEM-armor the key in both key-setup steps of build.yml; (2) Secondary — bump electron-builder ^24.13.3 → ^26.15.7 for better error legibility (not required for the actual fix, since armoring alone solves the crash).
• 🔴 (11:47) Assistant decided to split the electron-builder version bump into its own separate PR rather than bundling with the armor fix, to keep PR #1334 focused; user acknowledged with "continue".
• 🔴 (12:18) User approved doing the electron-builder bump as its own PR ("Let's do it too") → became PR #1335.
• 🔴 (12:58) For the notarize.cjs cleanup, user chose "Do it now as its own PR" over two rejected alternatives: "Hold the cleanup for now" (bundle with a future release-tested change) and "Only drop the devDep" (rejected as not viable — the script imports @electron/notarize, so the devDep can't be removed without removing the script too).
• Ruled out hypotheses (in order of investigation): file/PEM read permissions (env vars identical across runs, prior successful run with same path, signing succeeded before notarize step); Individual vs Team API key issue (key confirmed to be Team key by user at 11:35, so Individual-key --issuer omission logic in @electron/notarize 3.x was irrelevant); literal \n-escaping in the PEM (ruled out — actual issue was total absence of PEM armor, not escaping).
• Decision to use an idempotent PEM-armor wrap script (checks for existing BEGIN PRIVATE KEY marker) rather than always wrapping, to be safe regardless of whether the secret is later re-stored as pre-armored PEM.

Technical Changes

Bug 1 — Notarization crash on macos-26 runners (root cause + fix, PR #1334):

• Symptom: SyntaxError: Unexpected token 'E', "Error: inv"... is not valid JSON thrown from @electron/notarize@2.2.1, notarytool.ts:79:25, via macPackager.ts:478 (readDirectoryAndSign) → macPackager.ts:488 (signApp) → platformPackager.ts:336 (doSignAfterPack).
• Trigger date: GitHub's macos-latest runner label switched from macOS 15/Xcode 16 to macos-26-arm64 (macOS 26.4, build 25E246, Xcode 26.6) on 2026-07-21 — the exact day of the first failure (last known-green run was 2026-06-24).
• True root cause (found via decoding user's Apple API key bundle from ~/k.txt): the CI workflow's cat /tmp/apple_key.json | jq .private_key -r > /tmp/apple_key.pem wrote the private_key field verbatim, which is a bare base64 DER body (no PEM armor, no BEGIN/END headers, no line wrapping, 201 bytes as extracted). Xcode 16's notarytool tolerated this; Xcode 26's notarytool rejects it, emitting a plain-text Error: inv... (invalid key) instead of JSON. electron-builder 24.13.3's bundled @electron/notarize@2.2.1 does a raw JSON.parse(stdout) on notarytool's response and crashes with an unhandled SyntaxError instead of surfacing Apple's real error.
• Key itself confirmed valid: Team key (not Individual), key_id = 3RC4SAF8T6, issuer_id = 69a6de81-4417-47e3-e053-5b8c7c11a4d1, P-256 (prime256v1) EC key — valid once properly PEM-armored (verified via openssl ec/pkcs8).
• Fix implementation detail: KEY_BODY="$(jq -r .private_key /tmp/apple_key.json)"; if it already contains BEGIN PRIVATE KEY, pass through unchanged (idempotent); else wrap with -----BEGIN PRIVATE KEY----- / -----END PRIVATE KEY-----, strip spaces/CR/LF via tr -d ' \r\n', fold at 64 columns via fold -w 64, and insert a required blank line before END (bug found: without it, the folded body ran directly into the END line, causing openssl to still fail — verified via hexdump showing bare key body had no trailing new999line).
• Files changed: .github/workflows/build.yml (two occurrences: build job ~line 84, electron-mac job ~line 391) + .lore.md. Diff: 2 files, 24 insertions, 2 deletions. Commit 86074143 "fix(ci): armor Apple API key as PEM for Xcode 26 notarytool" on branch fix/notarize-key-pem-armor. PR: https://github.com/getsentry/spotlight/pull/1334.
• Verification: GitHub Actions run 29828172734 on main — completed/success; "Setup Apple API Key for Notarization" step logic confirmed working as designed; "Build and Sign Electron App" step showed signing identity CA886EB0F2EF765B26CDA592CD42DA4E9C92C916 applied to both dist-electron/mac/Spotlight.app (x64) and dist-electron/mac-arm64/Spotlight.app (arm64); "notarization successful" logged for both architectures (x64 at 2026-07-21T12:03:09.13Z, arm64 at 2026-07-21T12:06:53.03Z); DMGs built: Spotlight-4.11.7.dmg and Spotlight-4.11.7-arm64.dmg + blockmaps.
• Note: scripts/notarize.cjs (using @electron/notarize@2.5.0) was identified as dead code — electron-builder notarizes internally via its own bundled version and never calls this script (this fact fed directly into the later PR #1336 cleanup).

Change 2 — electron-builder version bump (PR #1335):

• packages/spotlight/package.json: electron-builder bumped from ^24.13.3 → ^26.15.7.
• Rationale: legibility only (bundled @electron/notarize@2.5.0 wraps notarytool's JSON.parse in try/catch and throws a clear message instead of crashing; @electron/osx-sign@1.3.3 confirmed CJS-safe via dist/cjs/index.js, avoiding prior osx-sign@1.0.5 exports-map breakage). Not required for the actual fix (PEM armor already fixed the root cause).
• Process: created branch chore/electron-builder-26 off latest main; ran pnpm install (initial attempt pty_d0a270ed failed with ERR_PNPM_NO_PKG_MANIFEST due to wrong workdir /home/byk/Code; fixed by rerunning as pty_8095652c with workdir explicitly /home/byk/Code/getsentry/spotlight, succeeded in 9.7s).
• Lockfile verification: electron-builder@26.15.7 resolved; @electron/notarize resolved to both 2.2.1 and 2.5.0 (coexisting, old version used by squirrel-windows); @electron/osx-sign resolved to both 1.0.5 and 1.3.3; confirmed via readlink that electron-builder@26.15.7 actually loads app-builder-lib@26.15.7 (not the old 24.13.3) for the mac build path.
• All CI checks passed on PR #1335 (Analyze x2, CodeQL, JUnit Test Report, Secret Scan, Seer Code Review, Socket Security x2, Unit Tests x2). User approved merge.

Change 3 — Remove redundant notarize afterSign hook (PR #1336):

• Files changed: packages/spotlight/electron-builder.cjs (removed let afterSign = "scripts/notarize.cjs";, the afterSign = undefined; branch, and the afterSign, key in builder config); packages/spotlight/scripts/notarize.cjs deleted (and now-empty scripts/ dir removed); packages/spotlight/package.json (@electron/notarize@^2.5.0 devDep removed); pnpm-lock.yaml updated.
• Investigation confirmed via code inspection (not just log inference): macPackager.js:317-319 calls notarizeIfProvided(appPath) inside sign() (only for non-MAS target, which spotlight uses); MacTargetHelper.js:256-270 notarizeIfProvided only skips when notarize===false or getNotarizeOptions returns undefined — config sets no notarize key, so internal path always runs; MacTargetHelper.js:236-244 reads APPLE_API_KEY, APPLE_API_KEY_ID, APPLE_API_ISSUER — same three env var names used by both the CI workflow (build.yml:406-408) and the now-deleted notarize.cjs script — confirming no env-var mismatch risk.
• Env var APPLE_API_KEY_ISSUER_ID (different name) exists only in the unrelated Linux build job (build.yml:92-95, used for rcodesign/fossilize signing, not electron-builder).
• Repo-wide grep confirmed no other consumers of notarize.cjs, scripts/notarize, @electron/notarize, or afterSign outside pnpm-lock.yaml transitive entries.
• Verification: pnpm install (pty_e56aadae, exit 0, 6.6s) confirmed @electron/notarize remains only transitively (via app-builder-lib@26.15.7 at lockfile lines 740/744, and via squirrel-windows at 7793/7801). pnpm build (pty_21f0047b, exit 0, 2214 lines) succeeded — "Tasks: 2 successful, 2 total" (@spotlightjs/spotlight#build, @spotlightjs/website#build); build:sea created dist-bin/spotlight-linux-x64; build:electron ran successfully.
• Full diff: 4 files changed, 1 insertion(+), 52 deletions(-) (electron-builder.cjs -2 lines, package.json -1 line, notarize.cjs deleted, pnpm-lock.yaml modified). .lore.md matched HEAD, nothing to stage.
• Commit 826147f1 "chore(electron): drop redundant notarize afterSign hook" on branch chore/remove-redundant-notarize-afterSign, pushed to origin.
• PR opened: https://github.com/getsentry/spotlight/pull/1336.
• Adversarial review (ses_07b389a45ffevXSycBLvMQtjqJ): SAFE TO MERGE, zero findings at BLOCKER/HIGH/MEDIUM/LOW. Confirmed re: green run 29828172734 that exactly 2 "notarization successful" log lines appeared (one per arch, immediately following "signing" — sourced from electron-builder's internal path, not the afterSign script), meaning the afterSign script was not producing a visibly distinct second notarization even before removal. Lockfile incidental churn noted as harmless: @electron/asar@3.2.13 and stale @types/glob/@types/minimatch dropped; @electron/universal@1.5.1 repointed to @electron/asar@3.4.1.
• Residual risk noted (same as PR #1334/#1335): electron-mac job only runs on push to main/release/*, so full end-to-end proof is post-merge only.
• Last known CI status (13:11): all checks green except semgrep-cloud-platform/scan pending; mergeStateStatus=UNSTABLE, mergeable=MERGEABLE. Follow-up check scheduled (~75s later, task ruqgboyn) to merge via squash + delete branch once semgrep passes, then sync local main — completion not yet confirmed.

Session Timeline

• 11:25 — CI failure investigated: "Build Electron App (macOS)" job failing at pnpm build:mac with SyntaxError from @electron/notarize@2.2.1 parsing non-JSON notarytool output.
• 11:28–11:37 — Investigated runner image change (macos-26-arm64/Xcode 26.6, rolled out 2026-07-21), inspected app-builder-lib/@electron/notarize version histories (2.2.1 in electron-builder 24.13.3, 2.5.0 in 26.15.7, 3.1.1 in 27-alpha with Individual-key support), ruled out file permissions and (once user confirmed Team key at 11:35) Individual-key handling. Drafted a plan file with an open item requiring the user's key bundle.
• 11:39–11:41 — User provided Apple API key bundle via ~/k.txt (with strict instructions: process, delete file, don't print contents). Decoded and confirmed key_id/issuer_id match; discovered private_key extracted with jq was a 201-byte bare base64 DER body with no PEM armor, which fails openssl parsing — but parses fine once properly armored (P-256 valid key).
• 11:41–11:44 — Located both bare-extraction occurrences in build.yml (Linux build job ~line 84, electron-mac job ~line 391 — noted these use differently-named env vars, APPLE_API_KEY_ISSUER_ID etc., for the Linux job specifically). Debugged PEM-armor script edge cases (idempotent wrap, blank-line-before-END fix confirmed via hexdump). Finalized root cause and fix plan; wrote plan to .opencode/plans/1784633071030-cosmic-engine.md; securely deleted ~/k.txt and temp files.
• 11:45–11:49 — User approved plan; assistant decided to split electron-builder bump into a separate future PR. Created branch fix/notarize-key-pem-armor, applied fix to both build.yml occurrences, committed 86074143, pushed, opened PR #1334. Flagged caveat that full verification requires a post-merge run on main.
• 11:57 — User scheduled follow-up: check E2E UI Tests on PR #1334, merge if green, rerun if flaked.
• 12:09–12:11 — User asked to check run 29828172734 on main. Confirmed completed/success, runner macos-26-arm64, and "notarization successful" logged for both x64 and arm64 — fix verified working end-to-end. (PR #1334 presumably merged by this point, producing this main run.)
• 12:18–12:21 — User approved doing the electron-builder bump as its own PR. Created branch chore/electron-builder-26, bumped electron-builder to ^26.15.7 in packages/spotlight/package.json, ran pnpm install (after fixing a workdir mistake), verified lockfile resolution and that the mac build path actually uses app-builder-lib@26.15.7.
• 12:27–12:28 — User approved ("let's go"); PR #1335 CI checks ran, all green (Analyze x2, CodeQL, JUnit, Secret Scan, Seer Code Review, Socket Security x2, Unit Tests x2).
• 12:57 — User approved ("let's go") a cleanup PR to remove the redundant scripts/notarize.cjs afterSign hook. Assistant investigated whether double notarization was occurring, set up a 6-item todo list, and paused to re-verify the "notarizes twice" claim via code inspection before deleting anything.
• 12:58 — User provided full timestamped CI log from run 29828172734 confirming that run actually used electron-builder 24.13.3 (predating PR #1335, i.e. it was PR #1334's verification run) with env vars APPLE_API_ISSUER, APPLE_API_KEY_ID, APPLE_API_KEY=/tmp/apple_key.pem; confirmed exactly one "notarization successful" log line per architecture, sourced from electron-builder's internal path. Assistant flagged risk/caution about touching the just-fixed signing/notarize path but user chose "Do it now as its own PR."
• 12:58–13:04 — Created branch chore/remove-redundant-notarize-afterSign, removed afterSign wiring, deleted scripts/notarize.cjs, removed @electron/notarize devDep, ran pnpm install/pnpm build (both succeeded), committed 826147f1, pushed, opened PR #1336.
• 13:11 — Adversarial review of PR #1336 completed: SAFE TO MERGE, zero findings. CI status: all green except semgrep-cloud-platform/scan pending. Follow-up task scheduled (~75s, id ruqgboyn) to merge (squash, delete branch) once semgrep passes and sync local main — outcome not yet confirmed in observations.