[fclairamb]

Report

From in-app report fclairamb/solidping-business#14 (v0.40.1, demo org):

Selecting a range on timing doesn't work like it works on for response time.

Diagnosis

The check page renders TimingChartCard for graphView=timing. TimingChart (web/dash0/src/components/checks/timing-chart.tsx) had no mouse/touch handlers and the route never passed it graphFrom/graphTo. So a drag did nothing, and a zoom already in the URL (the reporter's link had one) was ignored.

Fix

• TimingChart gets the response time chart's gesture: a band while dragging, the window written to graphFrom/graphTo, the fetch narrowed to it (useChartWindowResults already took a zoom), a Reset zoom button and double-click reset.
• The zoom is shared by both views through the URL, so switching views keeps it.
• Changing the Timing range drops the zoom, as it does on the response time chart.

Test plan

• New e2e test check-http-timing.spec.ts › "dragging a range on the Timing chart zooms like the response time chart". It fails on main (no graphFrom after the drag) and passes here.
• check-http-timing.spec.ts and check-chart-zoom.spec.ts green against a side-car server.
• tsc, eslint on the touched files, lint:e2e, typecheck:e2e.

Closes fclairamb/solidping-business#14

🤖 Generated with Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.36%. Comparing base (d4d9b21) to head (1768999).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #617      +/-   ##
==========================================
- Coverage   83.37%   83.36%   -0.02%     
==========================================
  Files        1238     1238              
  Lines      127064   127064              
==========================================
- Hits       105945   105931      -14     
- Misses      21110    21124      +14     
  Partials        9        9              

see 18 files with indirect coverage changes

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