Promote dev → staging: Map tab redesign (4c)

[patrickrb]

Promotes dev → staging with the Map tab redesign (PR #911).

What's in it

• Real bordered basemap — country outlines (world_countries.json) draw in both the equirectangular and azimuthal projections, plus US state borders past a zoom threshold. Offline vector data, no tile/slippy-map dependency.
• 4c layout — header (Map + "N decoded · M worked this session" + ⚙ gear) → layer-chip row (Decodes / PSK spots / Worked) → inset rounded map card. Chips partition which station markers draw.
• Controls — top-left greyline info pill (band + "greyline in Xh Ym"), a 44dp + / − / Me stack (Me recenters on the operator grid); Projection + Gray line moved into the ⚙ menu.
• Bolder station indicators — bigger dots, layered glow, raised SNR floor so weak decodes still read; operator is a bold amber "you are here" dot. Shapes (triangle CQ / diamond to-me / donut worked / dot) unchanged.
• Auto-fit view to markers — frames the region that actually has stations instead of a mostly-empty world; a global spread stays at world view.
• Station card restyled to 4c (avatar + callsign + distance · bearing · SNR + Details).

Diff

3 commits, 7 files, +858 / −149 — all under ui/map/ plus strings_compose.xml and the two test classes. No native, CAT, audio, or navigation changes.

Testing

Pure logic extracted to MapRedesign.kt / MapViewport.panToCenter and covered by MapRedesignTest; assembleDebug builds and the screen was verified live on a tablet emulator with demo data (borders, gear menu, greyline countdown, recenter).

🤖 Generated with Claude Code

[codecov]

Codecov Report

❌ Patch coverage is 11.69451% with 370 lines in your changes missing coverage. Please review.
✅ Project coverage is 41.50%. Comparing base (440d4f1) to head (c603d1c).
⚠️ Report is 24 commits behind head on staging.

Files with missing lines	Patch %	Lines
...main/kotlin/radio/ks3ckc/ft8af/ui/map/MapScreen.kt	1.07%	367 Missing ⚠️
...in/kotlin/radio/ks3ckc/ft8af/ui/map/MapRedesign.kt	93.18%	1 Missing and 2 partials ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             staging     #912      +/-   ##
=============================================
- Coverage      41.73%   41.50%   -0.24%     
  Complexity       252      252              
=============================================
  Files            279      280       +1     
  Lines          33668    33973     +305     
  Branches        3958     4033      +75     
=============================================
+ Hits           14052    14100      +48     
- Misses         19329    19584     +255     
- Partials         287      289       +2     

Flag	Coverage Δ
android	17.59% <11.69%> (-0.03%)	⬇️
desktop	63.95% <ø> (ø)
ios	97.71% <ø> (ø)
native	9.93% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...in/kotlin/radio/ks3ckc/ft8af/ui/map/MapViewport.kt	100.00% <100.00%> (+3.84%)	⬆️
...in/kotlin/radio/ks3ckc/ft8af/ui/map/MarkerStyle.kt	100.00% <100.00%> (ø)
...in/kotlin/radio/ks3ckc/ft8af/ui/map/MapRedesign.kt	93.18% <93.18%> (ø)
...main/kotlin/radio/ks3ckc/ft8af/ui/map/MapScreen.kt	7.46% <1.07%> (-1.56%)	⬇️

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