fix(queries): match Dia/Arc chrome forks and surface empty Browser view

[TimeToBuildBob]

Fixes #927. Complements #928 (same regex, plus the Dia bundle id and a visible empty-state).

Problem

The Browser view (Top Domains / URLs / Titles) is permanently empty in Chromium forks such as Dia. The extension works and events land in aw-watcher-web-chrome_<host>, but browserEvents() intersects those against window events whose app must match the chrome entry in src/queries.ts. Forks report themselves as "Dia" / "Arc" (and on macOS Dia, bundle id company.thebrowser.dia), so filter_period_intersect returns nothing and all three columns render "No data" with no error.

This is the same failure mode as ActivityWatch/activitywatch#1094 (Arc). A standalone arc/dia key cannot bind: browsersWithBuckets() matches on bucket id substring, and the chrome build of the extension never produces a bucket containing "arc" or "dia" unless the user overrides the browser name in the extension settings.

What this PR does

1. Match forks through the chrome bucket (the one they actually write to):
   • Add arc and dia process-name alternatives to browser_appname_regex.chrome, each $-anchored so names like archive / Dialog do not match.
   • Add company.thebrowser.dia to browser_appnames.chrome (macOS bundle id; reverse-domain names are not matched by the process-name regex).
   • Leave the standalone arc key in place for the settings-override case.
2. Stop the silent empty. When a browser watcher bucket exists but the window-event intersection is empty, the Browser visualizations now show an info hint pointing at Browser view empty in Dia (Chromium fork, reports app name "Dia") #927 instead of a bare "No data". This also covers the honest "didn't browse this period" case.

The regex half follows the diagnosis and patch from @TiberiusNemesis in #927 / #928. This PR adds the bundle-id path they also confirmed, plus the empty-state so the next fork reports itself instead of looking like a broken install.

Tests

• Chrome regex covers Dia / Arc and rejects Dialog / archive.
• Exact list contains company.thebrowser.dia.
• Generated chrome-bucket query includes both the bundle id and the process-name regex.
• isBrowserAllowlistMiss covers the empty / loading / no-bucket / matched cases.

npx jest --selectProjects node --testPathPattern='(queries.test.node.ts|browserAllowlist.test.node.ts)$' — 28 passed.

Out of scope

Helium is already a standalone key on master (net.imput.helium). If Helium also writes to the chrome bucket by default, that is the same bug and belongs with #898 rather than this PR.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 50.21%. Comparing base (3eebf68) to head (514a1fc).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #949      +/-   ##
==========================================
+ Coverage   49.62%   50.21%   +0.59%     
==========================================
  Files          46       47       +1     
  Lines        2783     2796      +13     
  Branches      630      638       +8     
==========================================
+ Hits         1381     1404      +23     
+ Misses       1322     1315       -7     
+ Partials       80       77       -3     

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[greptile-apps]

Greptile Summary

The PR expands Chrome-bucket window matching to recognize Dia and Arc and adds a localized explanation when Browser analytics resolve without matching activity.

• Adds Dia and Arc process-name matching plus Dia’s macOS bundle identifier.
• Deduplicates the Chrome/standalone-Arc pair while continuing to concatenate unrelated browser streams.
• Adds the Browser empty-state predicate, localized messages, and query-generation regression tests.

Confidence Score: 5/5

The PR appears safe to merge.

No blocking failure remains.

Important Files Changed

Filename	Overview
src/queries.ts	Extends Chrome-bucket matching for Dia and Arc and limits overlap-union behavior to the potentially duplicate Chrome/Arc pair.
src/components/SelectableVisualization.vue	Displays the localized allowlist explanation for resolved empty Browser visualizations.
src/util/browserAllowlist.ts	Defines the predicate distinguishing a resolved empty Browser query from loading or unavailable states.
test/unit/queries.test.node.ts	Covers fork matching and generated-query combination behavior for Chrome, Arc, and unrelated browsers.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
  Buckets[Browser watcher buckets] --> Detect[Detect browser bucket types]
  Detect --> Query[Intersect browser events with matching active windows]
  Query --> Pair{Chrome and standalone Arc both present?}
  Pair -->|Yes| Union[Deduplicate Chrome and Arc streams]
  Pair -->|No| Concat[Concatenate browser stream]
  Union --> Others[Concatenate unrelated browser streams]
  Concat --> Results[Domain, URL, title, and duration summaries]
  Others --> Results
  Results --> Empty{Browser bucket available but result empty?}
  Empty -->|Yes| Hint[Show localized allowlist hint]
  Empty -->|No| Visualizations[Render Browser visualizations]

Loading

_{Reviews (5): Last reviewed commit: "fix(queries): union only chrome+Arc dupl..." | Re-trigger Greptile}

[TimeToBuildBob]

CI-green and mergeable — waiting only on a maintainer click.

This PR is ready to merge, but the bot has pull-only access to this repo and can't self-merge — surfacing it here so it isn't lost. The monitoring loop will stop re-flagging it now that this note is posted.

[TimeToBuildBob]

@greptileai review

[TimeToBuildBob]

@greptileai review

[TimeToBuildBob]

Current head 17feed1 is fully converged: all nine CI/CodeQL/Greptile checks pass, Greptile reviewed this exact head at 5/5 with no blocking findings, and GitHub reports it cleanly mergeable. Bob still has pull-only access here, so the remaining action is maintainer review/merge.

[ErikBjare]

@TimeToBuildBob Merged #928, address conflicts

[TimeToBuildBob]

Rebased onto master, then scoped union_no_overlap to the chrome+Arc duplicate pair (head 514a1fc). Conflicts were the overlapping chrome regex/tests from #928 — kept that regex as landed.

What's in this PR:

• company.thebrowser.dia on the exact chrome list (macOS bundle id; reverse-domain names still don't match the process-name regex)
• empty-state hint when a watcher bucket exists but the window intersection is empty
• union_no_overlap only for chrome + standalone Arc (other browsers still concat)
• Swedish browserAllowlistMiss (sv.ts landed on master after this PR opened)

CI green, Greptile 5/5. Bob has pull-only access here — remaining action is maintainer review/merge.

[TimeToBuildBob]

@greptileai review

[TimeToBuildBob]

@greptileai review