fix: make mihomo runtime artifacts binding-first

[luoshuijs]

Summary

• Add binding-first runtime artifact schema, migration, and repository behavior.
• Enforce default profile invariants and invalidate binding-scoped artifacts on bind/rebind.
• Update integration coverage and CI Redis setup for binding-first runtime state.

Test Plan

• go test ./...
• go test -tags=integration ./integration/...
• git diff -- go.mod go.sum produced no output

[codecov]

Codecov Report

❌ Patch coverage is 55.71429% with 93 lines in your changes missing coverage. Please review.
✅ Project coverage is 32.44%. Comparing base (c4f9e87) to head (ebe0bfb).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/data/artifact_repo.go	42.85%	55 Missing and 5 partials ⚠️
internal/data/profile_repo.go	72.88%	11 Missing and 5 partials ⚠️
internal/data/management_repo.go	69.69%	5 Missing and 5 partials ⚠️
internal/usecase/bind_usecase.go	40.00%	3 Missing and 3 partials ⚠️
cmd/platform-mihomo-service/main.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #8      +/-   ##
==========================================
+ Coverage   29.77%   32.44%   +2.66%     
==========================================
  Files          28       28              
  Lines        3140     3292     +152     
==========================================
+ Hits          935     1068     +133     
  Misses       2060     2060              
- Partials      145      164      +19     

Flag	Coverage Δ
unit	32.44% <55.71%> (+2.66%)	⬆️

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