fix(service-logs): normalize identical date range

[RemiBonnet]

What changed

• Normalize identical service-log startDate and endDate values into a one-hour range.
• Cap the normalized end date at the current time, matching the metrics dashboard behavior.
• Keep non-identical and incomplete ranges unchanged.
• Add focused unit coverage for the date-range normalization.

Why

Alert links can only interpolate timestamps, so they may generate service-log URLs where startDate === endDate. Those values were passed unchanged to Loki, producing a zero-length query range and no useful logs.

Validation

• yarn jest --config libs/domains/service-logs/feature/jest.config.ts libs/domains/service-logs/feature/src/lib/hooks/use-service-history-logs/normalize-service-history-date-range.spec.ts --runInBand (4 tests passed)
• ESLint on the three changed files
• Prettier check on the three changed files
• git diff --check

Environment note

The Nx project target could not start its plugin worker in the isolated worktree, so the focused Jest, ESLint, and Prettier commands were run directly.

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 47.04%. Comparing base (ff1fdd9) to head (9821493).

Files with missing lines	Patch %	Lines
...e-service-history-logs/use-service-history-logs.ts	0.00%	4 Missing ⚠️
...story-logs/normalize-service-history-date-range.ts	83.33%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           staging    #2813      +/-   ##
===========================================
- Coverage    47.20%   47.04%   -0.16%     
===========================================
  Files         1176       35    -1141     
  Lines        25445     1288   -24157     
  Branches      7546      427    -7119     
===========================================
- Hits         12011      606   -11405     
+ Misses       11395      560   -10835     
+ Partials      2039      122    -1917     

Flag	Coverage Δ
unittests	47.04% <50.00%> (-0.16%)	⬇️

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[RemiBonnet]

Superseded by #2814 using the requested branch name.