Fix filtering config save, auto-save, streamed results, improved AI prompt

- Add missing fields to FilteringConfigSchema (aiParseFiles, startupAdvanceCount,
  conceptAdvanceCount, notifyOnEntry, notifyOnAdvance) — Zod was silently
  stripping them on save
- Restore auto-save with 800ms debounce on config changes
- Add staggered animations for filtering results (stream in one-by-one)
- Improve AI screening prompt: file type label mappings, soft cap handling,
  missing documents = fail, better user prompt structure

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/types/competition-configs.ts

@@ -69,6 +69,12 @@ export const FilteringConfigSchema = z.object({
   autoAdvanceEligible: z.boolean().default(false),
   duplicateDetectionEnabled: z.boolean().default(true),
   batchSize: z.number().int().positive().default(20),
+
+  aiParseFiles: z.boolean().default(false),
+  startupAdvanceCount: z.number().int().nonnegative().optional(),
+  conceptAdvanceCount: z.number().int().nonnegative().optional(),
+  notifyOnEntry: z.boolean().default(false),
+  notifyOnAdvance: z.boolean().default(false),
 })
 
 export type FilteringConfig = z.infer<typeof FilteringConfigSchema>