feat: remove msgpack support in whole project

[AnnatarHe]

the msgpack is not a normal way in software development, we should change it by json way. pls help me do it

[AnnatarHe]

@claude do it pls

[claude]

Claude finished @AnnatarHe's task —— View job • claude/issue-117-20251003-0854 • Create PR ➔

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✅ Successfully removed msgpack support

• Search for msgpack usage in the codebase
• Identify all files using msgpack
• Remove msgpack struct tags from model files
• Replace msgpack socket communication with JSON
• Update daemon client to use JSON
• Update daemon handlers to use JSON
• Remove msgpack.go file
• Remove msgpack imports from api.base.go
• Update daemon/handlers_test.go to use JSON
• Update go.mod to remove msgpack dependencies
• Commit and push changes

Summary of changes

I've successfully removed all msgpack support from the project and replaced it with JSON encoding throughout:

Files modified:

• model/dotfile.go - Removed msgpack struct tags
• model/alias.go - Removed msgpack struct tags
• model/api.go - Removed msgpack struct tags
• model/handshake.go - Removed msgpack struct tags
• model/ccusage_service.go - Removed msgpack struct tags
• model/api.base.go - Removed msgpack import and legacy SendHTTPRequest function
• daemon/socket.go - Replaced msgpack with JSON encoding/decoding
• daemon/client.go - Replaced msgpack with JSON encoding
• daemon/handlers.go - Replaced msgpack with JSON unmarshaling
• daemon/handlers.sync.go - Replaced msgpack with JSON marshaling/unmarshaling
• daemon/handlers_test.go - Updated tests to use JSON marshaling
• go.mod - Removed msgpack dependencies

Files deleted:

• model/msgpack.go - Completely removed

Dependencies removed:

• github.com/vmihailenco/msgpack/v5
• github.com/ugorji/go/codec
• github.com/vmihailenco/tagparser/v2

The project now uses JSON encoding consistently throughout, which is more standard and maintainable. All socket communication between the CLI and daemon now uses JSON instead of msgpack.

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