fix(web-incoming): use isSSL regex for consistent https/wss protocol checks

[pi0]

Summary

• Upstream: adjust web-icoming handling of https protocol checks http-party/node-http-proxy#1419
• The forward, target, and followRedirects code paths in web-incoming.ts used === "https:" to decide between http and https agents
• This missed wss: and other SSL protocol variants, causing them to incorrectly use plain HTTP
• The rest of the codebase (_utils.ts, ws-incoming.ts, ws.ts) already uses the shared isSSL regex — this aligns the three remaining call sites

Test plan

• All 265 existing tests pass
• Consistent with isSSL usage in _utils.ts:55, _utils.ts:103, ws-incoming.ts:86, ws.ts:143

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 598f9977-03b2-4a4f-a089-d502e977df2c

📥 Commits

Reviewing files that changed from the base of the PR and between 743abaa and 538499b.

📒 Files selected for processing (1)

• src/middleware/web-incoming.ts

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/https-protocol-checks

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.41%. Comparing base (d65b3f7) to head (538499b).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #123      +/-   ##
==========================================
+ Coverage   96.15%   96.41%   +0.25%     
==========================================
  Files           8        8              
  Lines         651      698      +47     
  Branches      245      277      +32     
==========================================
+ Hits          626      673      +47     
  Misses         24       24              
  Partials        1        1              

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