Add Windows Inno installer and CI release for bridge

[glslang]

Summary

• Add an Inno Setup installer for agent-notify-bridge with interactive config wizard, silent /SERVERURL= /TOKEN= flags, per-user install, and optional login autostart via the Run key.
• Add release.yml so pushing a v* tag builds the installer on Windows and publishes agent-notify-bridge-setup.exe to GitHub Releases (no local Windows build required).
• Add a path-filtered CI smoke job that compiles the installer on PRs touching bridge packaging.
• Hide the console on Windows with windows_subsystem = "windows".
• Include a winget manifest template and updated README install docs.

Test plan

• cargo nextest run -p agent-notify-bridge --locked
• cargo check -p agent-notify-bridge
• CI: bridge installer smoke job on this PR
• After merge: git tag v0.1.0 && git push origin v0.1.0 and verify release assets
• Manual smoke on Windows VM: interactive install, silent install, autostart, uninstall

Made with Cursor

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.44%. Comparing base (667cda3) to head (211ad23).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #26   +/-   ##
=======================================
  Coverage   66.44%   66.44%           
=======================================
  Files          12       12           
  Lines        1517     1517           
=======================================
  Hits         1008     1008           
  Misses        509      509           

Flag	Coverage Δ
rust	66.44% <ø> (ø)

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Files with missing lines	Coverage Δ
crates/agent-notify-bridge/src/main.rs	0.00% <ø> (ø)

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