move tools/prompts.ts to agent-runtime package

Moved backend/src/tools/prompts.ts to packages/agent-runtime/src/tools/prompts.ts as part of the agent-runtime migration plan. Updated import in backend/src/templates/strings.ts to use @codebuff/agent-runtime package path. All tests passing.

🤖 Generated with Codebuff
Co-Authored-By: Codebuff <noreply@codebuff.com>

Author: charleslien

backend/src/templates/strings.ts

@@ -19,7 +19,7 @@ import {
   fullToolList,
   getShortToolInstructions,
   getToolsInstructions,
-} from '../tools/prompts'
+} from '@codebuff/agent-runtime/tools/prompts'
 
 import type {
   AgentTemplate,

backend/src/tools/prompts.ts …kages/agent-runtime/src/tools/prompts.tsbackend/src/tools/prompts.ts renamed to packages/agent-runtime/src/tools/prompts.ts backend/src/tools/prompts.ts renamed to packages/agent-runtime/src/tools/prompts.ts

@@ -4,7 +4,7 @@ import { buildArray } from '@codebuff/common/util/array'
 import { pluralize } from '@codebuff/common/util/string'
 import z from 'zod/v4'
 
-import { codebuffToolDefs } from '@codebuff/agent-runtime/tools/definitions/list'
+import { codebuffToolDefs } from './definitions/list'
 
 import type { ToolName } from '@codebuff/common/tools/constants'
 import type { customToolDefinitionsSchema } from '@codebuff/common/util/file'