fix: internalizing error Gemini error message

Author: HahaBill

src/api/providers/gemini.ts

@@ -14,6 +14,7 @@ import type { ApiHandlerOptions } from "../../shared/api"
 import { safeJsonParse } from "../../shared/safeJsonParse"
 
 import { convertAnthropicContentToGemini, convertAnthropicMessageToGemini } from "../transform/gemini-format"
+import { t } from "i18next"
 import type { ApiStream } from "../transform/stream"
 import { getModelParams } from "../transform/model-params"
 
@@ -154,7 +155,7 @@ export class GeminiHandler extends BaseProvider implements SingleCompletionHandl
 			}
 		} catch (error) {
 			if (error instanceof Error) {
-				throw new Error(`Gemini Generate Context Stream error: ${error.message}`)
+				throw new Error(t("common:errors.gemini.generate_stream", { error: error.message }))
 			}
 
 			throw error
@@ -236,7 +237,7 @@ export class GeminiHandler extends BaseProvider implements SingleCompletionHandl
 			return text
 		} catch (error) {
 			if (error instanceof Error) {
-				throw new Error(`Gemini completion error: ${error.message}`)
+				throw new Error(t("common:errors.gemini.generate_complete_prompt", { error: error.message }))
 			}
 
 			throw error

src/i18n/locales/ca/common.json

@@ -77,6 +77,10 @@
 			"processExitedWithError": "Claude Code process exited with code {{exitCode}}. Error output: {{output}}",
 			"stoppedWithReason": "Claude Code stopped with reason: {{reason}}",
 			"apiKeyModelPlanMismatch": "API keys and subscription plans allow different models. Make sure the selected model is included in your plan."
+		},
+		"gemini": {
+			"generate_stream": "Gemini generate context stream error: {{error}}",
+			"generate_complete_prompt": "Gemini completion error: {{error}}"
 		}
 	},
 	"warnings": {