feat(knowledge): add database schema for Knowledge Module
Implements KNOW-001 - KnowledgeEntry, Version, Link, Tag, Embedding models - Full indexes and constraints - Seed data for testing
This commit is contained in:
Jason Woltje
@@ -0,0 +1,158 @@
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-- CreateEnum
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CREATE TYPE "EntryStatus" AS ENUM ('DRAFT', 'PUBLISHED', 'ARCHIVED');
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-- CreateEnum
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CREATE TYPE "Visibility" AS ENUM ('PRIVATE', 'WORKSPACE', 'PUBLIC');
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-- AlterTable
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ALTER TABLE "user_layouts" ADD COLUMN "metadata" JSONB NOT NULL DEFAULT '{}';
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-- CreateTable
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CREATE TABLE "knowledge_entries" (
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"id" UUID NOT NULL,
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"workspace_id" UUID NOT NULL,
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"slug" TEXT NOT NULL,
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"title" TEXT NOT NULL,
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"content" TEXT NOT NULL,
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"content_html" TEXT,
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"summary" TEXT,
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"status" "EntryStatus" NOT NULL DEFAULT 'DRAFT',
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"visibility" "Visibility" NOT NULL DEFAULT 'PRIVATE',
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"created_at" TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
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"updated_at" TIMESTAMPTZ NOT NULL,
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"created_by" UUID NOT NULL,
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"updated_by" UUID NOT NULL,
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CONSTRAINT "knowledge_entries_pkey" PRIMARY KEY ("id")
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);
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-- CreateTable
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CREATE TABLE "knowledge_entry_versions" (
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"id" UUID NOT NULL,
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"entry_id" UUID NOT NULL,
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"version" INTEGER NOT NULL,
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"title" TEXT NOT NULL,
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"content" TEXT NOT NULL,
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"summary" TEXT,
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"created_at" TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
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"created_by" UUID NOT NULL,
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"change_note" TEXT,
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CONSTRAINT "knowledge_entry_versions_pkey" PRIMARY KEY ("id")
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);
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-- CreateTable
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CREATE TABLE "knowledge_links" (
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"id" UUID NOT NULL,
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"source_id" UUID NOT NULL,
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"target_id" UUID NOT NULL,
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"link_text" TEXT NOT NULL,
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"context" TEXT,
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"created_at" TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
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CONSTRAINT "knowledge_links_pkey" PRIMARY KEY ("id")
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);
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-- CreateTable
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CREATE TABLE "knowledge_tags" (
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"id" UUID NOT NULL,
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"workspace_id" UUID NOT NULL,
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"name" TEXT NOT NULL,
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"slug" TEXT NOT NULL,
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"color" TEXT,
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"description" TEXT,
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CONSTRAINT "knowledge_tags_pkey" PRIMARY KEY ("id")
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);
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-- CreateTable
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CREATE TABLE "knowledge_entry_tags" (
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"entry_id" UUID NOT NULL,
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"tag_id" UUID NOT NULL,
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CONSTRAINT "knowledge_entry_tags_pkey" PRIMARY KEY ("entry_id","tag_id")
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);
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-- CreateTable
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CREATE TABLE "knowledge_embeddings" (
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"id" UUID NOT NULL,
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"entry_id" UUID NOT NULL,
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"embedding" vector(1536) NOT NULL,
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"model" TEXT NOT NULL,
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"created_at" TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
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"updated_at" TIMESTAMPTZ NOT NULL,
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CONSTRAINT "knowledge_embeddings_pkey" PRIMARY KEY ("id")
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);
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-- CreateIndex
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CREATE INDEX "knowledge_entries_workspace_id_status_idx" ON "knowledge_entries"("workspace_id", "status");
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-- CreateIndex
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CREATE INDEX "knowledge_entries_workspace_id_updated_at_idx" ON "knowledge_entries"("workspace_id", "updated_at");
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-- CreateIndex
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CREATE INDEX "knowledge_entries_created_by_idx" ON "knowledge_entries"("created_by");
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-- CreateIndex
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CREATE INDEX "knowledge_entries_updated_by_idx" ON "knowledge_entries"("updated_by");
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-- CreateIndex
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CREATE UNIQUE INDEX "knowledge_entries_workspace_id_slug_key" ON "knowledge_entries"("workspace_id", "slug");
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-- CreateIndex
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CREATE INDEX "knowledge_entry_versions_entry_id_version_idx" ON "knowledge_entry_versions"("entry_id", "version");
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-- CreateIndex
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CREATE UNIQUE INDEX "knowledge_entry_versions_entry_id_version_key" ON "knowledge_entry_versions"("entry_id", "version");
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-- CreateIndex
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CREATE INDEX "knowledge_links_source_id_idx" ON "knowledge_links"("source_id");
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-- CreateIndex
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CREATE INDEX "knowledge_links_target_id_idx" ON "knowledge_links"("target_id");
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-- CreateIndex
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CREATE UNIQUE INDEX "knowledge_links_source_id_target_id_key" ON "knowledge_links"("source_id", "target_id");
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-- CreateIndex
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CREATE INDEX "knowledge_tags_workspace_id_idx" ON "knowledge_tags"("workspace_id");
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-- CreateIndex
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CREATE UNIQUE INDEX "knowledge_tags_workspace_id_slug_key" ON "knowledge_tags"("workspace_id", "slug");
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-- CreateIndex
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CREATE INDEX "knowledge_entry_tags_entry_id_idx" ON "knowledge_entry_tags"("entry_id");
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-- CreateIndex
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CREATE INDEX "knowledge_entry_tags_tag_id_idx" ON "knowledge_entry_tags"("tag_id");
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-- CreateIndex
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CREATE UNIQUE INDEX "knowledge_embeddings_entry_id_key" ON "knowledge_embeddings"("entry_id");
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-- CreateIndex
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CREATE INDEX "knowledge_embeddings_entry_id_idx" ON "knowledge_embeddings"("entry_id");
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-- AddForeignKey
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ALTER TABLE "knowledge_entries" ADD CONSTRAINT "knowledge_entries_workspace_id_fkey" FOREIGN KEY ("workspace_id") REFERENCES "workspaces"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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-- AddForeignKey
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ALTER TABLE "knowledge_entry_versions" ADD CONSTRAINT "knowledge_entry_versions_entry_id_fkey" FOREIGN KEY ("entry_id") REFERENCES "knowledge_entries"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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-- AddForeignKey
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ALTER TABLE "knowledge_links" ADD CONSTRAINT "knowledge_links_source_id_fkey" FOREIGN KEY ("source_id") REFERENCES "knowledge_entries"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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-- AddForeignKey
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ALTER TABLE "knowledge_links" ADD CONSTRAINT "knowledge_links_target_id_fkey" FOREIGN KEY ("target_id") REFERENCES "knowledge_entries"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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-- AddForeignKey
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ALTER TABLE "knowledge_tags" ADD CONSTRAINT "knowledge_tags_workspace_id_fkey" FOREIGN KEY ("workspace_id") REFERENCES "workspaces"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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-- AddForeignKey
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ALTER TABLE "knowledge_entry_tags" ADD CONSTRAINT "knowledge_entry_tags_entry_id_fkey" FOREIGN KEY ("entry_id") REFERENCES "knowledge_entries"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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-- AddForeignKey
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ALTER TABLE "knowledge_entry_tags" ADD CONSTRAINT "knowledge_entry_tags_tag_id_fkey" FOREIGN KEY ("tag_id") REFERENCES "knowledge_tags"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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-- AddForeignKey
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ALTER TABLE "knowledge_embeddings" ADD CONSTRAINT "knowledge_embeddings_entry_id_fkey" FOREIGN KEY ("entry_id") REFERENCES "knowledge_entries"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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@@ -96,6 +96,18 @@ enum AgentStatus {
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TERMINATED
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}
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enum EntryStatus {
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DRAFT
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PUBLISHED
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ARCHIVED
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}
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enum Visibility {
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PRIVATE
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WORKSPACE
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PUBLIC
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}
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// ============================================
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// MODELS
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// ============================================
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@@ -138,19 +150,21 @@ model Workspace {
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updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz
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// Relations
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owner User @relation("WorkspaceOwner", fields: [ownerId], references: [id], onDelete: Cascade)
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members WorkspaceMember[]
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tasks Task[]
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events Event[]
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projects Project[]
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activityLogs ActivityLog[]
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memoryEmbeddings MemoryEmbedding[]
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domains Domain[]
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ideas Idea[]
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relationships Relationship[]
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agents Agent[]
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agentSessions AgentSession[]
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userLayouts UserLayout[]
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owner User @relation("WorkspaceOwner", fields: [ownerId], references: [id], onDelete: Cascade)
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members WorkspaceMember[]
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tasks Task[]
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events Event[]
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projects Project[]
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activityLogs ActivityLog[]
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memoryEmbeddings MemoryEmbedding[]
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domains Domain[]
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ideas Idea[]
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relationships Relationship[]
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agents Agent[]
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agentSessions AgentSession[]
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userLayouts UserLayout[]
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knowledgeEntries KnowledgeEntry[]
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knowledgeTags KnowledgeTag[]
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@@index([ownerId])
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@@map("workspaces")
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@@ -605,3 +619,131 @@ model Verification {
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@@index([identifier])
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@@map("verifications")
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}
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// ============================================
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// KNOWLEDGE MODULE
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// ============================================
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model KnowledgeEntry {
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id String @id @default(uuid()) @db.Uuid
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workspaceId String @map("workspace_id") @db.Uuid
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workspace Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
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// Identity
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slug String
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title String
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// Content
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content String @db.Text
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contentHtml String? @map("content_html") @db.Text
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summary String?
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// Status
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status EntryStatus @default(DRAFT)
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visibility Visibility @default(PRIVATE)
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// Audit
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz
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updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz
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createdBy String @map("created_by") @db.Uuid
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updatedBy String @map("updated_by") @db.Uuid
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// Relations
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tags KnowledgeEntryTag[]
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outgoingLinks KnowledgeLink[] @relation("SourceEntry")
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incomingLinks KnowledgeLink[] @relation("TargetEntry")
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versions KnowledgeEntryVersion[]
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embedding KnowledgeEmbedding?
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@@unique([workspaceId, slug])
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@@index([workspaceId, status])
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@@index([workspaceId, updatedAt])
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@@index([createdBy])
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@@index([updatedBy])
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@@map("knowledge_entries")
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}
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model KnowledgeEntryVersion {
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id String @id @default(uuid()) @db.Uuid
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entryId String @map("entry_id") @db.Uuid
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entry KnowledgeEntry @relation(fields: [entryId], references: [id], onDelete: Cascade)
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version Int
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title String
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content String @db.Text
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summary String?
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz
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createdBy String @map("created_by") @db.Uuid
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changeNote String? @map("change_note")
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@@unique([entryId, version])
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@@index([entryId, version])
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@@map("knowledge_entry_versions")
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}
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model KnowledgeLink {
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id String @id @default(uuid()) @db.Uuid
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sourceId String @map("source_id") @db.Uuid
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source KnowledgeEntry @relation("SourceEntry", fields: [sourceId], references: [id], onDelete: Cascade)
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targetId String @map("target_id") @db.Uuid
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target KnowledgeEntry @relation("TargetEntry", fields: [targetId], references: [id], onDelete: Cascade)
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// Link metadata
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linkText String @map("link_text")
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context String?
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz
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@@unique([sourceId, targetId])
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@@index([sourceId])
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@@index([targetId])
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@@map("knowledge_links")
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}
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model KnowledgeTag {
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id String @id @default(uuid()) @db.Uuid
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workspaceId String @map("workspace_id") @db.Uuid
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workspace Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
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name String
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slug String
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color String?
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description String?
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entries KnowledgeEntryTag[]
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@@unique([workspaceId, slug])
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@@index([workspaceId])
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@@map("knowledge_tags")
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}
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model KnowledgeEntryTag {
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entryId String @map("entry_id") @db.Uuid
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entry KnowledgeEntry @relation(fields: [entryId], references: [id], onDelete: Cascade)
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tagId String @map("tag_id") @db.Uuid
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tag KnowledgeTag @relation(fields: [tagId], references: [id], onDelete: Cascade)
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@@id([entryId, tagId])
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@@index([entryId])
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@@index([tagId])
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@@map("knowledge_entry_tags")
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}
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model KnowledgeEmbedding {
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id String @id @default(uuid()) @db.Uuid
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entryId String @unique @map("entry_id") @db.Uuid
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entry KnowledgeEntry @relation(fields: [entryId], references: [id], onDelete: Cascade)
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embedding Unsupported("vector(1536)")
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model String
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createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz
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updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz
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@@index([entryId])
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@@map("knowledge_embeddings")
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}
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@@ -4,6 +4,8 @@ import {
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TaskPriority,
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ProjectStatus,
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WorkspaceMemberRole,
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EntryStatus,
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Visibility,
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} from "@prisma/client";
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const prisma = new PrismaClient();
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@@ -145,6 +147,309 @@ async function main() {
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});
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console.log("Created sample event");
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// ============================================
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// KNOWLEDGE MODULE SEED DATA
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// ============================================
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// Delete existing knowledge data
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await tx.knowledgeEmbedding.deleteMany({ where: { entry: { workspaceId: workspace.id } } });
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await tx.knowledgeEntryTag.deleteMany({ where: { entry: { workspaceId: workspace.id } } });
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await tx.knowledgeLink.deleteMany({ where: { source: { workspaceId: workspace.id } } });
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await tx.knowledgeEntryVersion.deleteMany({ where: { entry: { workspaceId: workspace.id } } });
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await tx.knowledgeEntry.deleteMany({ where: { workspaceId: workspace.id } });
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await tx.knowledgeTag.deleteMany({ where: { workspaceId: workspace.id } });
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// Create knowledge tags
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const tags = await Promise.all([
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tx.knowledgeTag.create({
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data: {
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workspaceId: workspace.id,
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name: "Architecture",
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slug: "architecture",
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color: "#3B82F6",
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description: "System architecture and design decisions",
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},
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}),
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tx.knowledgeTag.create({
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data: {
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workspaceId: workspace.id,
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name: "Development",
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slug: "development",
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color: "#10B981",
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description: "Development practices and guidelines",
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},
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}),
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tx.knowledgeTag.create({
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data: {
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workspaceId: workspace.id,
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name: "Getting Started",
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slug: "getting-started",
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color: "#F59E0B",
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description: "Onboarding and setup guides",
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},
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}),
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]);
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console.log(`Created ${tags.length} knowledge tags`);
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// Create knowledge entries
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const entries = [
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{
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slug: "welcome",
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title: "Welcome to Mosaic Stack Knowledge Base",
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content: `# Welcome to Mosaic Stack
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This is the knowledge base for the Mosaic Stack project. Here you'll find:
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- **[[architecture-overview]]** - High-level system architecture
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- **[[development-setup]]** - Getting started with development
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- **[[database-schema]]** - Database design and conventions
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## About This Knowledge Base
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The Knowledge Module provides:
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- Wiki-style linking between entries
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- Full-text and semantic search
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- Version history and change tracking
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- Tag-based organization
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Start exploring by following the links above!`,
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summary: "Introduction to the Mosaic Stack knowledge base and navigation guide",
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status: EntryStatus.PUBLISHED,
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visibility: Visibility.WORKSPACE,
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tags: ["getting-started"],
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},
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{
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slug: "architecture-overview",
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title: "Architecture Overview",
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content: `# Architecture Overview
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The Mosaic Stack is built on a modern, scalable architecture:
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## Stack Components
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- **Frontend**: Next.js 15+ with React 19
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- **Backend**: NestJS with Prisma ORM
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- **Database**: PostgreSQL 17 with pgvector
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- **Cache**: Valkey (Redis fork)
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## Key Modules
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1. **Task Management** - See [[development-setup]] for local setup
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2. **Event Calendar** - Integrated scheduling
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3. **Knowledge Base** - This module! See [[database-schema]]
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4. **Agent Orchestration** - AI agent coordination
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The database schema is documented in [[database-schema]].`,
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summary: "High-level overview of Mosaic Stack architecture and components",
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status: EntryStatus.PUBLISHED,
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visibility: Visibility.WORKSPACE,
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tags: ["architecture"],
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},
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{
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slug: "development-setup",
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title: "Development Setup Guide",
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content: `# Development Setup Guide
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## Prerequisites
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||||
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- Node.js 22+
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- PostgreSQL 17
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- pnpm 9+
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## Quick Start
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\`\`\`bash
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# Clone the repository
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git clone https://git.mosaicstack.dev/mosaic/stack.git
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# Install dependencies
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pnpm install
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# Set up database
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cd apps/api
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pnpm prisma migrate dev
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pnpm prisma:seed
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# Start development servers
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||||
pnpm dev
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\`\`\`
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## Architecture
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||||
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Before diving in, review the [[architecture-overview]] to understand the system design.
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||||
|
||||
## Database
|
||||
|
||||
The database schema is documented in [[database-schema]]. All models use Prisma ORM.
|
||||
|
||||
## Next Steps
|
||||
|
||||
1. Read the [[architecture-overview]]
|
||||
2. Explore the codebase
|
||||
3. Check out the [[database-schema]] documentation`,
|
||||
summary: "Step-by-step guide to setting up the Mosaic Stack development environment",
|
||||
status: EntryStatus.PUBLISHED,
|
||||
visibility: Visibility.WORKSPACE,
|
||||
tags: ["development", "getting-started"],
|
||||
},
|
||||
{
|
||||
slug: "database-schema",
|
||||
title: "Database Schema Documentation",
|
||||
content: `# Database Schema Documentation
|
||||
|
||||
## Overview
|
||||
|
||||
Mosaic Stack uses PostgreSQL 17 with Prisma ORM. See [[architecture-overview]] for context.
|
||||
|
||||
## Key Conventions
|
||||
|
||||
- All IDs are UUIDs
|
||||
- Timestamps use \`@db.Timestamptz\` (timezone-aware)
|
||||
- Soft deletes via status fields (e.g., ARCHIVED)
|
||||
- Relations enforce cascade deletes for data integrity
|
||||
|
||||
## Core Models
|
||||
|
||||
### Task Management
|
||||
- \`Task\` - Individual work items
|
||||
- \`Project\` - Task containers
|
||||
- \`Domain\` - High-level categorization
|
||||
|
||||
### Knowledge Module
|
||||
- \`KnowledgeEntry\` - Wiki pages
|
||||
- \`KnowledgeLink\` - Page connections
|
||||
- \`KnowledgeTag\` - Categorization
|
||||
- \`KnowledgeEmbedding\` - Semantic search (pgvector)
|
||||
|
||||
### Agent System
|
||||
- \`Agent\` - AI agent instances
|
||||
- \`AgentSession\` - Conversation sessions
|
||||
|
||||
## Migrations
|
||||
|
||||
Migrations are managed via Prisma:
|
||||
|
||||
\`\`\`bash
|
||||
# Create migration
|
||||
pnpm prisma migrate dev --name my_migration
|
||||
|
||||
# Apply in production
|
||||
pnpm prisma migrate deploy
|
||||
\`\`\`
|
||||
|
||||
For setup instructions, see [[development-setup]].`,
|
||||
summary: "Comprehensive documentation of the Mosaic Stack database schema and Prisma conventions",
|
||||
status: EntryStatus.PUBLISHED,
|
||||
visibility: Visibility.WORKSPACE,
|
||||
tags: ["architecture", "development"],
|
||||
},
|
||||
{
|
||||
slug: "future-ideas",
|
||||
title: "Future Ideas and Roadmap",
|
||||
content: `# Future Ideas and Roadmap
|
||||
|
||||
## Planned Features
|
||||
|
||||
- Real-time collaboration (CRDT)
|
||||
- Advanced graph visualizations
|
||||
- AI-powered summarization
|
||||
- Mobile app
|
||||
|
||||
## Research Areas
|
||||
|
||||
- Vector search optimization
|
||||
- Knowledge graph algorithms
|
||||
- Agent memory systems
|
||||
|
||||
This is a draft document. See [[architecture-overview]] for current state.`,
|
||||
summary: "Brainstorming document for future features and research directions",
|
||||
status: EntryStatus.DRAFT,
|
||||
visibility: Visibility.PRIVATE,
|
||||
tags: [],
|
||||
},
|
||||
];
|
||||
|
||||
// Create entries and track them for linking
|
||||
const createdEntries = new Map<string, any>();
|
||||
|
||||
for (const entryData of entries) {
|
||||
const entry = await tx.knowledgeEntry.create({
|
||||
data: {
|
||||
workspaceId: workspace.id,
|
||||
slug: entryData.slug,
|
||||
title: entryData.title,
|
||||
content: entryData.content,
|
||||
summary: entryData.summary,
|
||||
status: entryData.status,
|
||||
visibility: entryData.visibility,
|
||||
createdBy: user.id,
|
||||
updatedBy: user.id,
|
||||
},
|
||||
});
|
||||
|
||||
createdEntries.set(entryData.slug, entry);
|
||||
|
||||
// Create initial version
|
||||
await tx.knowledgeEntryVersion.create({
|
||||
data: {
|
||||
entryId: entry.id,
|
||||
version: 1,
|
||||
title: entry.title,
|
||||
content: entry.content,
|
||||
summary: entry.summary,
|
||||
createdBy: user.id,
|
||||
changeNote: "Initial version",
|
||||
},
|
||||
});
|
||||
|
||||
// Add tags
|
||||
for (const tagSlug of entryData.tags) {
|
||||
const tag = tags.find(t => t.slug === tagSlug);
|
||||
if (tag) {
|
||||
await tx.knowledgeEntryTag.create({
|
||||
data: {
|
||||
entryId: entry.id,
|
||||
tagId: tag.id,
|
||||
},
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
console.log(`Created ${entries.length} knowledge entries`);
|
||||
|
||||
// Create wiki-links between entries
|
||||
const links = [
|
||||
{ source: "welcome", target: "architecture-overview", text: "architecture-overview" },
|
||||
{ source: "welcome", target: "development-setup", text: "development-setup" },
|
||||
{ source: "welcome", target: "database-schema", text: "database-schema" },
|
||||
{ source: "architecture-overview", target: "development-setup", text: "development-setup" },
|
||||
{ source: "architecture-overview", target: "database-schema", text: "database-schema" },
|
||||
{ source: "development-setup", target: "architecture-overview", text: "architecture-overview" },
|
||||
{ source: "development-setup", target: "database-schema", text: "database-schema" },
|
||||
{ source: "database-schema", target: "architecture-overview", text: "architecture-overview" },
|
||||
{ source: "database-schema", target: "development-setup", text: "development-setup" },
|
||||
{ source: "future-ideas", target: "architecture-overview", text: "architecture-overview" },
|
||||
];
|
||||
|
||||
for (const link of links) {
|
||||
const sourceEntry = createdEntries.get(link.source);
|
||||
const targetEntry = createdEntries.get(link.target);
|
||||
|
||||
if (sourceEntry && targetEntry) {
|
||||
await tx.knowledgeLink.create({
|
||||
data: {
|
||||
sourceId: sourceEntry.id,
|
||||
targetId: targetEntry.id,
|
||||
linkText: link.text,
|
||||
},
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
console.log(`Created ${links.length} knowledge links`);
|
||||
});
|
||||
console.log("Seeding completed successfully!");
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user