enhance: add LLM translation support with openai compatible API

[ybw2016v]

What

Add LLM translation support with openai compatible API

Why

#15696

Additional info (optional)

1. To achieve the best results, the control parameters and prompt words should be adapted to the model. For details, please refer to the model documentation.
2. An optional redis cache switch is provided to cache API call results to reduce possible costs.

Checklist

• Read the contribution guide
• Test working in a local environment
• (If needed) Add story of storybook
• (If needed) Update CHANGELOG.md
• (If possible) Add tests

[github-actions]

このPRによるapi.jsonの差分

差分はこちら

--- base
+++ head
@@ -9993,6 +9993,63 @@
                       "items": {
                         "type": "string"
                       }
+                    },
+                    "enableLlmTranslator": {
+                      "type": "boolean"
+                    },
+                    "enableLlmTranslatorRedisCache": {
+                      "type": "boolean"
+                    },
+                    "llmTranslatorRedisCacheTtl": {
+                      "type": "number"
+                    },
+                    "llmTranslatorBaseUrl": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "llmTranslatorApiKey": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "llmTranslatorModel": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "llmTranslatorTemperature": {
+                      "type": [
+                        "number",
+                        "null"
+                      ]
+                    },
+                    "llmTranslatorTopP": {
+                      "type": [
+                        "number",
+                        "null"
+                      ]
+                    },
+                    "llmTranslatorMaxTokens": {
+                      "type": [
+                        "number",
+                        "null"
+                      ]
+                    },
+                    "llmTranslatorSysPrompt": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
+                    },
+                    "llmTranslatorUserPrompt": {
+                      "type": [
+                        "string",
+                        "null"
+                      ]
                     }
                   },
                   "required": [
@@ -10108,7 +10165,18 @@
                     "urlPreviewUserAgent",
                     "urlPreviewSummaryProxyUrl",
                     "federation",
-                    "federationHosts"
+                    "federationHosts",
+                    "enableLlmTranslator",
+                    "enableLlmTranslatorRedisCache",
+                    "llmTranslatorRedisCacheTtl",
+                    "llmTranslatorBaseUrl",
+                    "llmTranslatorApiKey",
+                    "llmTranslatorModel",
+                    "llmTranslatorTemperature",
+                    "llmTranslatorTopP",
+                    "llmTranslatorMaxTokens",
+                    "llmTranslatorSysPrompt",
+                    "llmTranslatorUserPrompt"
                   ]
                 }
               }
@@ -17767,6 +17835,63 @@
                     "items": {
                       "type": "string"
                     }
+                  },
+                  "enableLlmTranslator": {
+                    "type": "boolean"
+                  },
+                  "enableLlmTranslatorRedisCache": {
+                    "type": "boolean"
+                  },
+                  "llmTranslatorRedisCacheTtl": {
+                    "type": "integer"
+                  },
+                  "llmTranslatorBaseUrl": {
+                    "type": [
+                      "string",
+                      "null"
+                    ]
+                  },
+                  "llmTranslatorApiKey": {
+                    "type": [
+                      "string",
+                      "null"
+                    ]
+                  },
+                  "llmTranslatorModel": {
+                    "type": [
+                      "string",
+                      "null"
+                    ]
+                  },
+                  "llmTranslatorTemperature": {
+                    "type": [
+                      "number",
+                      "null"
+                    ]
+                  },
+                  "llmTranslatorTopP": {
+                    "type": [
+                      "number",
+                      "null"
+                    ]
+                  },
+                  "llmTranslatorMaxTokens": {
+                    "type": [
+                      "integer",
+                      "null"
+                    ]
+                  },
+                  "llmTranslatorSysPrompt": {
+                    "type": [
+                      "string",
+                      "null"
+                    ]
+                  },
+                  "llmTranslatorUserPrompt": {
+                    "type": [
+                      "string",
+                      "null"
+                    ]
                   }
                 }
               }

Get diff files from Workflow Page

[codecov]

Codecov Report

❌ Patch coverage is 35.31157% with 218 lines in your changes missing coverage. Please review.
✅ Project coverage is 44.12%. Comparing base (ed86b17) to head (b6d2f02).
⚠️ Report is 1544 commits behind head on develop.

Files with missing lines	Patch %	Lines
...ges/frontend/src/pages/admin/external-services.vue	0.00%	90 Missing ⚠️
...kend/src/server/api/endpoints/admin/update-meta.ts	14.66%	64 Missing ⚠️
...ackend/src/server/api/endpoints/notes/translate.ts	5.66%	49 Missing and 1 partial ⚠️
...ges/backend/src/server/api/endpoints/admin/meta.ts	78.57%	12 Missing ⚠️
...ges/backend/src/core/entities/MetaEntityService.ts	0.00%	1 Missing ⚠️
...ackages/frontend/src/components/MkNoteDetailed.vue	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #15697      +/-   ##
===========================================
+ Coverage    42.14%   44.12%   +1.97%     
===========================================
  Files         1683     1687       +4     
  Lines       171284   177779    +6495     
  Branches      4027     4219     +192     
===========================================
+ Hits         72195    78448    +6253     
- Misses       98595    98836     +241     
- Partials       494      495       +1     

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[KisaragiEffective]

I don't see reasons to use LLM to translate user input over the old method... But I'd like to note some minor things: