changes and improvements

packages/backend/src/agents/ranking.ts

@@ -4,6 +4,7 @@ import { z } from 'zod';
 import { zodTextFormat } from 'openai/helpers/zod';
 
 const RankingSchema = z.object({
+  full_match: z.array(z.string()),
   definitely_like: z.array(z.string()),
   might_like: z.array(z.string()),
   questionable: z.array(z.string()),
@@ -32,6 +33,7 @@ export async function runRanking(
   }
 
   const allTags: RankingOutput = {
+    full_match: [],
     definitely_like: [],
     might_like: [],
     questionable: [],
@@ -46,21 +48,23 @@ export async function runRanking(
       temperature: 0.2,
       ...serviceOptions,
       text: { format: zodTextFormat(RankingSchema, "ranking") },
-      instructions: `You are a ${mediaLabel} ranking critic. Assign each ${mediaLabel} to exactly one of four confidence tags based on how well it matches the user's preferences.
+      instructions: `You are a ${mediaLabel} ranking critic. Assign each ${mediaLabel} to exactly one of five confidence tags based on how well it matches the user's preferences.
 
 Tags:
-- "definitely_like": Near-perfect match to all preferences
+- "full_match": 100% match — perfectly satisfies every stated preference, requirement, and avoidance criteria with no compromises
+- "definitely_like": Near-perfect match to all preferences with only minor caveats
 - "might_like": Strong match to most preferences
 - "questionable": Partial alignment, some aspects don't match
 - "will_not_like": Likely mismatch, conflicts with preferences or avoidance criteria
 
 Every ${mediaLabel} in the input must appear in exactly one tag. Use the title exactly as given.`,
       input: `User preferences:
-Liked ${mediaLabel}s: ${JSON.stringify(interpreter.liked)}
-Themes: ${JSON.stringify(interpreter.themes)}
-Character preferences: ${JSON.stringify(interpreter.character_preferences)}
-Tone: ${JSON.stringify(interpreter.tone)}
-Avoid: ${JSON.stringify(interpreter.avoid)}
+Liked ${mediaLabel}s: ${interpreter.liked.join(', ') || '(none)'}
+Themes: ${interpreter.themes.join(', ') || '(none)'}
+Character preferences: ${interpreter.character_preferences.join(', ') || '(none)'}
+Tone: ${interpreter.tone.join(', ') || '(none)'}
+Avoid: ${interpreter.avoid.join(', ') || '(none)'}
+Requirements: ${interpreter.requirements.join(', ') || '(none)'}
 
 Rank these ${mediaLabel}s:
 ${chunkTitles}`,
@@ -68,6 +72,7 @@ ${chunkTitles}`,
 
     const chunkResult = (response.output_parsed as Partial<RankingOutput>) ?? {};
 
+    allTags.full_match.push(...(chunkResult.full_match ?? []));
     allTags.definitely_like.push(...(chunkResult.definitely_like ?? []));
     allTags.might_like.push(...(chunkResult.might_like ?? []));
     allTags.questionable.push(...(chunkResult.questionable ?? []));