Revert "feat: add Claude Code channel support with OAuth integration"

[seefs001]

Reverts #1445

Summary by CodeRabbit

• New Features

  • None.

• Bug Fixes

  • None.

• Refactor

  • Removed all features and UI related to the "Claude Code" channel type, including its OAuth authentication, token management, and special prompts.
  • The channel editing interface now treats all channel types uniformly, without special handling for "Claude Code".

• Chores

  • Cleaned up related constants, routes, and dependencies for "Claude Code".
  • Removed unused code, icons, and configuration related to "Claude Code".

• Documentation

  • None.

[coderabbitai]

Walkthrough

This change removes all support for the "Claude Code" channel type (type 53) and its OAuth integration from both backend and frontend. It deletes related constants, adaptors, OAuth controllers and services, token refresh logic, UI handling, and all special-case logic for Claude Code, reverting affected areas to generic channel/channel-type handling.

Changes

Cohort / File(s)	Change Summary
Claude Code Backend Support Removal relay/channel/claude_code/adaptor.go, relay/channel/claude_code/constants.go, relay/channel/claude_code/dto.go	Deleted all adaptor, constants, and DTO files for Claude Code channel.
Claude Code OAuth & Token Refresh service/claude_oauth.go, service/claude_token_refresh.go, controller/claude_oauth.go	Removed OAuth2 service, token refresh scheduler, and related HTTP controllers for Claude Code.
Constants Cleanup constant/api_type.go, constant/channel.go, web/src/constants/channel.constants.js	Removed Claude Code-related constants and channel options from backend and frontend.
Adaptor & Routing Adjustments relay/relay_adaptor.go, router/api-router.go	Removed Claude Code adaptor registration and deleted Claude OAuth API routes.
Main Application & Dependency Cleanup main.go, go.mod	Removed token refresh scheduler startup and dropped unused OAuth2 dependency.
Frontend UI Refactor web/src/components/table/channels/modals/EditChannelModal.jsx, web/src/helpers/render.js	Removed special-case UI, form logic, and icon rendering for Claude Code channel type.
Operation Settings setting/operation_setting/operation_setting.go	Removed Claude Code-specific error keywords from automatic disable settings.
API Type Mapping common/api_type.go	Removed handling for Claude Code channel type in API type mapping function.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant Web UI
    participant Backend API
    participant Claude Code OAuth Service

    Note over User,Claude Code OAuth Service: Previous flow (now removed)
    User->>Web UI: Click "Authorize Claude Code"
    Web UI->>Backend API: Request OAuth URL
    Backend API->>Claude Code OAuth Service: Generate OAuth URL
    Claude Code OAuth Service-->>Backend API: Return URL
    Backend API-->>Web UI: Send URL
    Web UI-->>User: Show OAuth dialog
    User->>Web UI: Enter authorization code
    Web UI->>Backend API: Exchange code for token
    Backend API->>Claude Code OAuth Service: Exchange code
    Claude Code OAuth Service-->>Backend API: Return token
    Backend API-->>Web UI: Token stored, channel updated

    Note over User,Web UI: All above steps and UI removed

Loading

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~40 minutes

Possibly related PRs

• feat: add Claude Code channel support with OAuth integration #1445: This PR originally added Claude Code channel support and OAuth integration, which are now being removed in the current PR.

Poem

The Claude Code bunny hops away,
OAuth dreams now tucked astray.
No more tokens split in two,
Or indigo prompts in the queue.
The UI is lighter, the backend clean—
A simpler warren, neat and serene!
🐇✨

Note

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---

📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 9758a9e and f995e31.

⛔ Files ignored due to path filters (1)

• go.sum is excluded by !**/*.sum

📒 Files selected for processing (17)

• common/api_type.go (0 hunks)
• constant/api_type.go (0 hunks)
• constant/channel.go (0 hunks)
• controller/claude_oauth.go (0 hunks)
• go.mod (0 hunks)
• main.go (0 hunks)
• relay/channel/claude_code/adaptor.go (0 hunks)
• relay/channel/claude_code/constants.go (0 hunks)
• relay/channel/claude_code/dto.go (0 hunks)
• relay/relay_adaptor.go (0 hunks)
• router/api-router.go (0 hunks)
• service/claude_oauth.go (0 hunks)
• service/claude_token_refresh.go (0 hunks)
• setting/operation_setting/operation_setting.go (0 hunks)
• web/src/components/table/channels/modals/EditChannelModal.jsx (4 hunks)
• web/src/constants/channel.constants.js (0 hunks)
• web/src/helpers/render.js (0 hunks)

💤 Files with no reviewable changes (16)

• controller/claude_oauth.go
• main.go
• setting/operation_setting/operation_setting.go
• common/api_type.go
• relay/channel/claude_code/dto.go
• router/api-router.go
• service/claude_token_refresh.go
• relay/channel/claude_code/constants.go
• go.mod
• service/claude_oauth.go
• constant/api_type.go
• relay/relay_adaptor.go
• web/src/helpers/render.js
• web/src/constants/channel.constants.js
• constant/channel.go
• relay/channel/claude_code/adaptor.go

🔇 Additional comments (3)

web/src/components/table/channels/modals/EditChannelModal.jsx (3)

20-60: Import statements look good after OAuth removal

The imports are clean and appropriate for the component's current functionality without OAuth support.

---

791-791: Good UX improvement: Disable batch mode in edit mode

Disabling the batch creation checkbox when editing prevents user confusion since batch mode only applies to channel creation, not editing.

---

1635-1640: Excellent improvement to system prompt handling

The changes make system prompt behavior consistent across all channel types:

• Clear placeholder text explains the priority hierarchy
• The showClear prop improves usability
• The extra text provides helpful context about user prompt priority

This unification simplifies the codebase and improves user experience.

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• Post copyable unit tests in a comment

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