Refactor SDK exports and remove unused functions; update search-server formatting functions to eliminate unused parameters; adjust SQLite migration function parameter; add TypeScript error documentation with detailed fixes and priority order.

src/sdk/index.ts

@@ -2,7 +2,7 @@
  * SDK Module Exports
  */
 
-export { buildInitPrompt, buildObservationPrompt, buildFinalizePrompt } from './prompts.js';
+export { buildInitPrompt, buildObservationPrompt } from './prompts.js';
 export { parseObservations, parseSummary } from './parser.js';
 export type { Observation, SDKSession } from './prompts.js';
 export type { ParsedObservation, ParsedSummary } from './parser.js';