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diff --git a/makima/migrations/20260205000000_chain_directives.sql b/makima/migrations/20260205000000_chain_directives.sql
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+-- Chain Directives: Structured specification documents that drive chain creation and evaluation
+-- Contract Evaluations: LLM evaluation results for completed contracts
+
+-- =============================================================================
+-- New Tables
+-- =============================================================================
+
+-- Chain directives: formal specification documents for directive-driven chains
+CREATE TABLE IF NOT EXISTS chain_directives (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    chain_id UUID NOT NULL REFERENCES chains(id) ON DELETE CASCADE,
+    version INTEGER NOT NULL DEFAULT 1,
+
+    -- Directive content (structured JSON)
+    -- Requirements: [{ id, title, description, priority, category, parentId? }]
+    requirements JSONB NOT NULL DEFAULT '[]',
+    -- Acceptance criteria: [{ id, requirementIds[], description, testable, verificationMethod }]
+    acceptance_criteria JSONB NOT NULL DEFAULT '[]',
+    -- Constraints: [{ id, type, description, impact }]
+    constraints JSONB NOT NULL DEFAULT '[]',
+    -- External dependencies: [{ id, name, type, status, requiredBy[] }]
+    external_dependencies JSONB NOT NULL DEFAULT '[]',
+
+    -- Metadata
+    source_type VARCHAR(32) NOT NULL DEFAULT 'llm_generated',  -- 'manual', 'llm_generated', 'imported'
+
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+
+    CONSTRAINT chain_directives_chain_unique UNIQUE (chain_id)
+);
+
+CREATE INDEX IF NOT EXISTS idx_chain_directives_chain_id ON chain_directives(chain_id);
+
+-- Contract evaluations: LLM evaluation results after contract completion
+CREATE TABLE IF NOT EXISTS contract_evaluations (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    contract_id UUID NOT NULL REFERENCES contracts(id) ON DELETE CASCADE,
+    chain_id UUID REFERENCES chains(id) ON DELETE SET NULL,
+    chain_contract_id UUID REFERENCES chain_contracts(id) ON DELETE SET NULL,
+
+    -- Evaluation metadata
+    evaluation_number INTEGER NOT NULL DEFAULT 1,
+    evaluator_model VARCHAR(100),
+
+    -- Results
+    passed BOOLEAN NOT NULL,
+    overall_score DECIMAL(3,2),  -- 0.00 to 1.00
+
+    -- Structured feedback
+    -- criteria_results: [{ criterionId, criterionText, passed, score, feedback, evidence[] }]
+    criteria_results JSONB NOT NULL DEFAULT '[]',
+    summary_feedback TEXT NOT NULL,
+    rework_instructions TEXT,
+
+    -- Context snapshot for reproducibility
+    directive_snapshot JSONB,
+    deliverables_snapshot JSONB,
+
+    started_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    completed_at TIMESTAMPTZ,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_contract_evaluations_contract ON contract_evaluations(contract_id);
+CREATE INDEX IF NOT EXISTS idx_contract_evaluations_chain ON contract_evaluations(chain_id);
+CREATE INDEX IF NOT EXISTS idx_contract_evaluations_chain_contract ON contract_evaluations(chain_contract_id);
+
+-- =============================================================================
+-- Table Modifications
+-- =============================================================================
+
+-- Extend chains table with directive support
+ALTER TABLE chains
+    ADD COLUMN IF NOT EXISTS directive_contract_id UUID REFERENCES contracts(id) ON DELETE SET NULL,
+    ADD COLUMN IF NOT EXISTS directive_document TEXT,
+    ADD COLUMN IF NOT EXISTS evaluation_enabled BOOLEAN NOT NULL DEFAULT true,
+    ADD COLUMN IF NOT EXISTS default_pass_threshold DECIMAL(3,2) DEFAULT 0.80,
+    ADD COLUMN IF NOT EXISTS default_max_retries INTEGER DEFAULT 3;
+
+CREATE INDEX IF NOT EXISTS idx_chains_directive_contract ON chains(directive_contract_id) WHERE directive_contract_id IS NOT NULL;
+
+-- Extend contracts table with chain directive support
+ALTER TABLE contracts
+    ADD COLUMN IF NOT EXISTS spawned_chain_id UUID REFERENCES chains(id) ON DELETE SET NULL,
+    ADD COLUMN IF NOT EXISTS is_chain_directive BOOLEAN NOT NULL DEFAULT FALSE;
+
+CREATE INDEX IF NOT EXISTS idx_contracts_spawned_chain ON contracts(spawned_chain_id) WHERE spawned_chain_id IS NOT NULL;
+CREATE INDEX IF NOT EXISTS idx_contracts_is_directive ON contracts(is_chain_directive) WHERE is_chain_directive = true;
+
+-- Extend chain_contracts table with evaluation tracking
+ALTER TABLE chain_contracts
+    ADD COLUMN IF NOT EXISTS evaluation_status VARCHAR(50) NOT NULL DEFAULT 'pending',
+    ADD COLUMN IF NOT EXISTS evaluation_retry_count INTEGER NOT NULL DEFAULT 0,
+    ADD COLUMN IF NOT EXISTS max_evaluation_retries INTEGER NOT NULL DEFAULT 3,
+    ADD COLUMN IF NOT EXISTS last_evaluation_id UUID REFERENCES contract_evaluations(id) ON DELETE SET NULL,
+    ADD COLUMN IF NOT EXISTS rework_feedback TEXT,
+    ADD COLUMN IF NOT EXISTS rework_started_at TIMESTAMPTZ,
+    ADD COLUMN IF NOT EXISTS original_completion_at TIMESTAMPTZ;
+
+-- Extend chain_contract_definitions table with requirement traceability
+ALTER TABLE chain_contract_definitions
+    ADD COLUMN IF NOT EXISTS requirement_ids TEXT[] DEFAULT '{}',
+    ADD COLUMN IF NOT EXISTS acceptance_criteria JSONB DEFAULT '[]',
+    ADD COLUMN IF NOT EXISTS evaluation_enabled BOOLEAN NOT NULL DEFAULT true,
+    ADD COLUMN IF NOT EXISTS pass_threshold DECIMAL(3,2) DEFAULT 0.80;
+
+-- =============================================================================
+-- Comments
+-- =============================================================================
+
+COMMENT ON TABLE chain_directives IS 'Formal directive documents that drive chain creation and contract evaluation';
+COMMENT ON COLUMN chain_directives.requirements IS 'Enumerated requirements with IDs for traceability';
+COMMENT ON COLUMN chain_directives.acceptance_criteria IS 'Testable criteria mapped to requirements';
+COMMENT ON COLUMN chain_directives.constraints IS 'Technical, business, time, or resource constraints';
+COMMENT ON COLUMN chain_directives.external_dependencies IS 'External APIs, services, or data dependencies';
+
+COMMENT ON TABLE contract_evaluations IS 'LLM evaluation results after contract completion within a chain';
+COMMENT ON COLUMN contract_evaluations.criteria_results IS 'Per-criterion evaluation results with scores and feedback';
+COMMENT ON COLUMN contract_evaluations.directive_snapshot IS 'Snapshot of directive at evaluation time for audit';
+
+COMMENT ON COLUMN chains.directive_contract_id IS 'Reference to the directive contract that created/orchestrates this chain';
+COMMENT ON COLUMN chains.evaluation_enabled IS 'Whether LLM evaluation is enabled after contract completion';
+
+COMMENT ON COLUMN contracts.spawned_chain_id IS 'Reference to chain spawned by this directive contract';
+COMMENT ON COLUMN contracts.is_chain_directive IS 'Whether this contract is a chain directive orchestrator';
+
+COMMENT ON COLUMN chain_contracts.evaluation_status IS 'Evaluation state: pending, evaluating, passed, failed, rework, escalated';
+COMMENT ON COLUMN chain_contracts.evaluation_retry_count IS 'Number of evaluation retry attempts';