feat(community): add PostgreSQL migration files 001 (posts schema) + 002 (reactions stub)

circuitforge_core/community/migrations/001_community_posts.sql

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+-- 001_community_posts.sql
+-- Community posts table: published meal plans, recipe successes, and bloopers.
+-- Applies to: cf_community PostgreSQL database (hosted by cf-orch).
+-- BSL boundary: this schema is MIT (data layer, no inference).
+
+CREATE TABLE IF NOT EXISTS community_posts (
+    id              BIGSERIAL PRIMARY KEY,
+    slug            TEXT NOT NULL UNIQUE,
+    pseudonym       TEXT NOT NULL,
+    post_type       TEXT NOT NULL CHECK (post_type IN ('plan', 'recipe_success', 'recipe_blooper')),
+    published       TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    title           TEXT NOT NULL,
+    description     TEXT,
+    photo_url       TEXT,
+
+    -- Plan slots (JSON array: [{day, meal_type, recipe_id, recipe_name}])
+    slots           JSONB NOT NULL DEFAULT '[]',
+
+    -- Recipe result fields
+    recipe_id       BIGINT,
+    recipe_name     TEXT,
+    level           SMALLINT CHECK (level IS NULL OR level BETWEEN 1 AND 4),
+    outcome_notes   TEXT,
+
+    -- Element snapshot (denormalized from corpus at publish time)
+    seasoning_score REAL,
+    richness_score  REAL,
+    brightness_score REAL,
+    depth_score     REAL,
+    aroma_score     REAL,
+    structure_score REAL,
+    texture_profile TEXT,
+
+    -- Dietary / allergen / flavor
+    dietary_tags    JSONB NOT NULL DEFAULT '[]',
+    allergen_flags  JSONB NOT NULL DEFAULT '[]',
+    flavor_molecules JSONB NOT NULL DEFAULT '[]',
+
+    -- USDA FDC macros
+    fat_pct         REAL,
+    protein_pct     REAL,
+    moisture_pct    REAL,
+
+    -- Source product identifier
+    source_product  TEXT NOT NULL DEFAULT 'kiwi'
+);
+
+-- Indexes for common filter patterns
+CREATE INDEX IF NOT EXISTS idx_community_posts_published ON community_posts (published DESC);
+CREATE INDEX IF NOT EXISTS idx_community_posts_post_type ON community_posts (post_type);
+CREATE INDEX IF NOT EXISTS idx_community_posts_source ON community_posts (source_product);
+
+-- GIN index for dietary/allergen JSONB array containment queries
+CREATE INDEX IF NOT EXISTS idx_community_posts_dietary_tags ON community_posts USING GIN (dietary_tags);
+CREATE INDEX IF NOT EXISTS idx_community_posts_allergen_flags ON community_posts USING GIN (allergen_flags);

circuitforge_core/community/migrations/002_community_post_reactions.sql

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+-- 002_community_post_reactions.sql
+-- Reserved: community post reactions (thumbs-up, saves count).
+-- Not yet implemented -- this migration is a stub to reserve the sequence number.
+-- Applies to: cf_community PostgreSQL database (hosted by cf-orch).
+
+-- Placeholder: no-op. Will be replaced when reactions feature is designed.
+SELECT 1;

circuitforge_core/community/migrations/__init__.py

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+# Community module migrations
+# These SQL files are shipped with circuitforge-core so cf-orch can locate them via importlib.resources.