Fix: Web Services Improvement

[dinhlongviolin1]

Describe Your Changes

• Better Auth Management
• Logs for tool calls parameters
• Fix model extend for openai-compatible models (models == true -> don't flatten and look for models since it is a boolean)

Fixes Issues

Self Checklist

• Added relevant comments, esp in complex areas
• Updated docs (for bug fixes / features)
• Created issues for follow-up changes or refactoring needed

---

Important

Improves authentication management by introducing a shared service, enhances logging for tool calls, and fixes model handling in specific cases.

• Authentication:
  • Replaces JanAuthService.getInstance() with getSharedAuthService() in api.ts and index.ts for shared authentication management.
  • Removes initialize() method from JanAuthService in auth.ts.
  • Adds getSharedAuthService() to manage a single instance of JanAuthService across extensions.
• Logging:
  • Adds logging for tool call parameters in postMessageProcessing() in completion.ts.
• Model Handling:
  • Fixes model handling in sendCompletion() in completion.ts to skip flattening when models is true.
• Misc:
  • Conditional rendering of BackendUpdater in __root.tsx based on PlatformFeatures.

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1. extensions-web/src/jan-provider-web/api.ts:6

• Draft comment:
  Good update: importing getSharedAuthService ensures a shared auth instance. Verify that removal of explicit authService.initialize() in initialize() aligns with global token management.
• Reason this comment was not posted:
  Confidence changes required: 20% <= threshold 50% None

2. extensions-web/src/mcp-web/index.ts:8

• Draft comment:
  Using getSharedAuthService and removing the explicit authService.initialize() call in onLoad() is consistent with the new auth design.
• Reason this comment was not posted:
  Confidence changes required: 10% <= threshold 50% None

3. extensions-web/src/shared/auth.ts:22

• Draft comment:
  Refactor removes the static singleton and initialize() method in JanAuthService. The new getSharedAuthService() on window provides a shared instance—ensure this suits all environments (e.g., SSR).
• Reason this comment was not posted:
  Confidence changes required: 20% <= threshold 50% None

4. extensions-web/src/shared/index.ts:2

• Draft comment:
  Index export updated to include getSharedAuthService; this keeps the shared auth interface consistent.
• Reason this comment was not posted:
  Confidence changes required: 10% <= threshold 50% None

5. web-app/src/lib/completion.ts:195

• Draft comment:
  The condition checking 'models[providerName]?.models !== true' prevents unnecessary flattening for openai-compatible providers. Also, added console logs for raw and parsed tool arguments improve debugging.
• Reason this comment was not posted:
  Confidence changes required: 10% <= threshold 50% None

6. web-app/src/routes/__root.tsx:116

• Draft comment:
  Wrapping with a feature flag (PlatformFeatures[LOCAL_INFERENCE]) is a good improvement for conditional rendering.
• Reason this comment was not posted:
  Confidence changes required: 0% <= threshold 50% None

Workflow ID: wflow_4mKWshittH8IxvFz

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[github-actions]

Barecheck - Code coverage report

Total: 29.01%

Your code coverage diff: 0.01% ▴

Uncovered files and lines

File	Lines
extensions-web/src/jan-provider-web/api.ts	6-7, 75, 79-81, 83-88, 90-93, 95-97, 99-100, 102-109, 111-115, 117-132, 134-141, 143, 145-155, 157-160, 162-164, 166-167, 169-170, 172-173, 175-177, 179-180, 183, 185-188, 190-193, 195-203, 205-215, 217-219, 221-231, 233
extensions-web/src/mcp-web/index.ts	7-11, 16-19, 21, 24-35, 37-38, 40, 42-47, 49-51, 54-62, 64-65, 67-70, 72-74, 77-80, 82-83, 86-99, 102, 104-109, 111-114, 116, 118-119, 121-131, 133-141, 143-148, 150-156, 158, 160-163, 165, 168-171, 173-177, 180-184, 186-189, 191-197, 199-204, 206-209, 211, 213-219, 221, 223-224, 226-235
extensions-web/src/shared/auth.ts	19-20, 22-24, 26-28, 30-42, 44-55, 57-61, 63-65, 67-69, 71-79, 81-83, 85, 88, 91-94, 96-98, 100-105, 107-112, 114-115, 117-121, 123, 126, 129-132, 134-136, 138-140, 142-145, 147, 149-152, 155-158, 161-162, 164-169, 171-176, 178-185, 187-190, 192-197, 199-202, 214-219
extensions-web/src/shared/index.ts	1-2
web-app/src/lib/completion.ts	74-85, 156-164, 166, 168-169, 171-172, 174, 176, 179-184, 186-192, 194-204, 207-215, 217, 219-234, 236-257, 273-279, 330, 333-338, 340-343, 359-364, 369-370, 372-394, 397-417, 419-422, 424, 426-446, 448-457, 459-473, 475-478
web-app/src/routes/__root.tsx	1, 4-25, 30-36, 38-41, 43-51, 54, 57-60, 63-71, 74-78, 80-82, 85-89, 91, 93-95, 98-100, 102-107, 109-113, 115-117, 120-124, 127-131, 133-136, 139, 142-149, 151, 153, 156-160, 162-166, 168-170, 172, 174, 176-180, 182-189, 191, 193-194, 196-199, 201-212, 215-221, 223