refactor(core): migrate backend backbone from Quart to FastAPI and introduce more OpenAPI (#8688)

* refactor: migrate to fastapi

* structure refactor

* fix: pyright fix

* refactor: improve error handling and public messages in plugin services

* feat(api): refactor API client integration and enhance request handling

- Updated API client configuration to use a dedicated HTTP client.
- Introduced utility functions for generating options, queries, and form data for API requests.
- Refactored multiple API methods to utilize the new utility functions for improved consistency and readability.
- Renamed types for clarity and updated import statements accordingly.

feat(docs): add script to update OpenAPI JSON from YAML spec

- Created a Python script to convert OpenAPI YAML specification to JSON format.
- The script supports customizable input and output paths.
- Ensured the script handles directory creation for output paths and validates the YAML structure.

* fix

* feat(auth): implement rate limiting for v1 login endpoint and enhance request handling

* Refactor dashboard API routers to use legacy_router for backward compatibility

- Changed all instances of dashboard_router to legacy_router across multiple API modules including platform, plugins, providers, sessions, skills, stats, subagents, t2i, tools, updates, and asgi_runtime.
- Updated route definitions to ensure existing endpoints remain functional under the new router structure.
- Introduced support for Quart request context in asgi_runtime to enhance compatibility with existing Quart-based plugins.
- Added a test case to validate the functionality of the new Quart request context handling in plugin extensions.

* chore: remove cli test

* fix: update dashboard tests for fastapi migration

* chore: satisfy ruff checks

* fix: update openapi api key scopes

* fix: sync config scope chip selection

* fix: restore quart dependency

* docs: clarify quart plugin api compatibility

* docs: update openapi scope documentation

* fix: use singular skill openapi scope

* fix: hide update service exception details

* fix: address fastapi review comments

* fix: address dashboard review findings

* docs: revert unrelated package deployment changes

* docs: update agent api generation guidance

* feat: add plugin page web api helpers

* docs: add plugin page bridge demo

* fix: type plugin upload files

* fix: stabilize plugin page uploads

* fix: type plugin web request proxy

* docs: remove plugin page docs example

* fix: authenticate plugin page SSE bridge

dashboard/src/composables/useProviderModelConfigDialog.ts

@@ -1,5 +1,5 @@
 import { computed, ref, type Ref } from 'vue'
-import axios from 'axios'
+import { providerApi } from '@/api/v1'
 
 interface UseProviderModelConfigDialogOptions {
   selectedProviderSource: Ref<any | null>
@@ -90,15 +90,19 @@ export function useProviderModelConfigDialog(options: UseProviderModelConfigDial
     savingProviders.value.push(providerEditData.value.id)
     try {
       const isAdding = providerEditMode.value === 'add'
+      const sourceId = providerEditData.value.provider_source_id || selectedProviderSource.value?.id
+      if (isAdding && !sourceId) {
+        throw new Error(tm('providerSources.selectHint'))
+      }
       const res = isAdding
-        ? await axios.post('/api/config/provider/new', providerEditData.value)
-        : await axios.post('/api/config/provider/update', {
-          id: providerEditOriginalId.value || providerEditData.value.id,
-          config: providerEditData.value
-        })
+        ? await providerApi.createInSource(sourceId, providerEditData.value)
+        : await providerApi.update(
+          providerEditOriginalId.value || providerEditData.value.id,
+          providerEditData.value
+      )
 
       if (res.data.status === 'error') {
-        throw new Error(res.data.message)
+        throw new Error(res.data.message || tm('providerSources.saveError'))
       }
 
       showMessage(