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master-ai/vibn-frontend/lib/server/chat-mode-resolver.ts

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TypeScript

/**
* Chat Mode Resolution Logic
*
* Determines which chat mode (collector, extraction_review, vision, mvp, marketing, general)
* should be active based on project state stored in Postgres.
*/
import { query } from '@/lib/db-postgres';
import type { ChatMode } from '@/lib/ai/chat-modes';
/**
* Resolve the appropriate chat mode for a project using Postgres (fs_projects).
*/
export async function resolveChatMode(projectId: string): Promise<ChatMode> {
try {
const rows = await query<{ data: any }>(
`SELECT data FROM fs_projects WHERE id = $1 LIMIT 1`,
[projectId]
);
if (rows.length === 0) {
console.warn(`[Chat Mode Resolver] Project ${projectId} not found`);
return 'collector_mode';
}
const projectData = rows[0].data ?? {};
const phaseData = (projectData.phaseData ?? {}) as Record<string, any>;
const currentPhase: string = projectData.currentPhase ?? 'collector';
// Explicit phase overrides
if (currentPhase === 'extraction_review' || currentPhase === 'analyzed') return 'extraction_review_mode';
if (currentPhase === 'vision') return 'vision_mode';
if (currentPhase === 'mvp') return 'mvp_mode';
if (currentPhase === 'marketing') return 'marketing_mode';
// Derive from phase artifacts
if (!phaseData.canonicalProductModel) return 'collector_mode';
if (!phaseData.mvpPlan) return 'vision_mode';
if (!phaseData.marketingPlan) return 'mvp_mode';
if (phaseData.marketingPlan) return 'marketing_mode';
return 'general_chat_mode';
} catch (error) {
console.error('[Chat Mode Resolver] Failed to resolve mode:', error);
return 'collector_mode';
}
}
/**
* Summarise knowledge items for context building.
* Uses Postgres fs_knowledge_items if available, otherwise returns empty.
*/
export async function summarizeKnowledgeItems(projectId: string): Promise<{
totalCount: number;
bySourceType: Record<string, number>;
recentTitles: string[];
}> {
try {
const rows = await query<{ data: any }>(
`SELECT data FROM fs_knowledge_items WHERE project_id = $1 ORDER BY created_at DESC LIMIT 20`,
[projectId]
);
const bySourceType: Record<string, number> = {};
const recentTitles: string[] = [];
for (const row of rows) {
const d = row.data ?? {};
const sourceType = d.sourceType ?? 'unknown';
bySourceType[sourceType] = (bySourceType[sourceType] ?? 0) + 1;
if (d.title && recentTitles.length < 5) recentTitles.push(d.title);
}
return { totalCount: rows.length, bySourceType, recentTitles };
} catch {
// Table may not exist for older deployments — return empty
return { totalCount: 0, bySourceType: {}, recentTitles: [] };
}
}
/**
* Summarise extractions for context building.
* Returns empty defaults — extractions not yet migrated to Postgres.
*/
export async function summarizeExtractions(projectId: string): Promise<{
totalCount: number;
avgConfidence: number;
avgCompletion: number;
}> {
return { totalCount: 0, avgConfidence: 0, avgCompletion: 0 };
}