feat: add DBML schema files and relspecgo migration generation

- Add schema/*.dbml covering all existing tables (001-019)
- Wire relspecgo via make generate-migrations target
- Add make check-schema-drift for CI drift detection
- Add schema/README.md documenting the DBML-first workflow

Closes #19

Makefile

@@ -7,13 +7,16 @@ PATCH_INCREMENT ?= 1
 VERSION_TAG ?= $(shell git describe --tags --exact-match 2>/dev/null || echo dev)
 COMMIT_SHA ?= $(shell git rev-parse --short HEAD 2>/dev/null || echo unknown)
 BUILD_DATE ?= $(shell date -u +%Y-%m-%dT%H:%M:%SZ)
+RELSPEC ?= $(shell command -v relspec 2>/dev/null || echo $(HOME)/go/bin/relspec)
+SCHEMA_FILES := $(sort $(wildcard schema/*.dbml))
+GENERATED_SCHEMA_MIGRATION := migrations/020_generated_schema.sql
 LDFLAGS := -s -w \
 	-X $(BUILDINFO_PKG).Version=$(VERSION_TAG) \
 	-X $(BUILDINFO_PKG).TagName=$(VERSION_TAG) \
 	-X $(BUILDINFO_PKG).Commit=$(COMMIT_SHA) \
 	-X $(BUILDINFO_PKG).BuildDate=$(BUILD_DATE)
 
-.PHONY: all build clean migrate release-version test
+.PHONY: all build clean migrate release-version test generate-migrations check-schema-drift
 
 all: build
 
@@ -50,3 +53,23 @@ migrate:
 
 clean:
 	rm -rf $(BIN_DIR)
+
+generate-migrations:
+	@test -n "$(SCHEMA_FILES)" || (echo "No DBML schema files found in schema/" >&2; exit 1)
+	@command -v $(RELSPEC) >/dev/null 2>&1 || (echo "relspec not found; install git.warky.dev/wdevs/relspecgo/cmd/relspec@latest" >&2; exit 1)
+	@schema_list=$$(printf '%s\n' $(SCHEMA_FILES) | paste -sd, -); \
+	$(RELSPEC) convert --from dbml --from-list "$$schema_list" --to pgsql --to-path $(GENERATED_SCHEMA_MIGRATION)
+
+check-schema-drift:
+	@test -f $(GENERATED_SCHEMA_MIGRATION) || (echo "$(GENERATED_SCHEMA_MIGRATION) is missing; run make generate-migrations" >&2; exit 1)
+	@command -v $(RELSPEC) >/dev/null 2>&1 || (echo "relspec not found; install git.warky.dev/wdevs/relspecgo/cmd/relspec@latest" >&2; exit 1)
+	@tmpfile=$$(mktemp); \
+	schema_list=$$(printf '%s\n' $(SCHEMA_FILES) | paste -sd, -); \
+	$(RELSPEC) convert --from dbml --from-list "$$schema_list" --to pgsql --to-path $$tmpfile; \
+	if ! cmp -s $$tmpfile $(GENERATED_SCHEMA_MIGRATION); then \
+		echo "Schema drift detected between schema/*.dbml and $(GENERATED_SCHEMA_MIGRATION)" >&2; \
+		diff -u $(GENERATED_SCHEMA_MIGRATION) $$tmpfile || true; \
+		rm -f $$tmpfile; \
+		exit 1; \
+	fi; \
+	rm -f $$tmpfile

schema/README.md

@@ -0,0 +1,35 @@
+# Schema workflow
+
+The `schema/*.dbml` files are the database schema source of truth.
+
+## Generate SQL migrations
+
+Run:
+
+```bash
+make generate-migrations
+```
+
+This uses `relspec` to convert the DBML files into PostgreSQL SQL and writes the generated schema migration to:
+
+- `migrations/020_generated_schema.sql`
+
+## Check schema drift
+
+Run:
+
+```bash
+make check-schema-drift
+```
+
+This regenerates the SQL from `schema/*.dbml` and compares it with `migrations/020_generated_schema.sql`.
+If the generated output differs, the command fails so CI can catch schema drift.
+
+## Workflow
+
+1. Update the DBML files in `schema/`
+2. Run `make generate-migrations`
+3. Review the generated SQL
+4. Commit both the DBML changes and the generated migration
+
+Existing handwritten migrations stay in place. Going forward, update the DBML first and regenerate the SQL from there.

schema/calendar.dbml

@@ -0,0 +1,44 @@
+Table family_members {
+  id uuid [pk, default: `gen_random_uuid()`]
+  name text [not null]
+  relationship text
+  birth_date date
+  notes text
+  created_at timestamptz [not null, default: `now()`]
+}
+
+Table activities {
+  id uuid [pk, default: `gen_random_uuid()`]
+  family_member_id uuid [ref: > family_members.id]
+  title text [not null]
+  activity_type text
+  day_of_week text
+  start_time time
+  end_time time
+  start_date date
+  end_date date
+  location text
+  notes text
+  created_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    day_of_week
+    family_member_id
+    (start_date, end_date)
+  }
+}
+
+Table important_dates {
+  id uuid [pk, default: `gen_random_uuid()`]
+  family_member_id uuid [ref: > family_members.id]
+  title text [not null]
+  date_value date [not null]
+  recurring_yearly boolean [not null, default: false]
+  reminder_days_before int [not null, default: 7]
+  notes text
+  created_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    date_value
+  }
+}

schema/core.dbml

@@ -0,0 +1,48 @@
+Table thoughts {
+  id bigserial [pk]
+  guid uuid [unique, not null, default: `gen_random_uuid()`]
+  content text [not null]
+  metadata jsonb [default: `'{}'::jsonb`]
+  created_at timestamptz [default: `now()`]
+  updated_at timestamptz [default: `now()`]
+  project_id uuid [ref: > projects.guid]
+  archived_at timestamptz
+}
+
+Table projects {
+  id bigserial [pk]
+  guid uuid [unique, not null, default: `gen_random_uuid()`]
+  name text [unique, not null]
+  description text
+  created_at timestamptz [default: `now()`]
+  last_active_at timestamptz [default: `now()`]
+}
+
+Table thought_links {
+  from_id bigint [not null, ref: > thoughts.id]
+  to_id bigint [not null, ref: > thoughts.id]
+  relation text [not null]
+  created_at timestamptz [default: `now()`]
+
+  indexes {
+    (from_id, to_id, relation) [pk]
+    from_id
+    to_id
+  }
+}
+
+Table embeddings {
+  id bigserial [pk]
+  guid uuid [unique, not null, default: `gen_random_uuid()`]
+  thought_id uuid [not null, ref: > thoughts.guid]
+  model text [not null]
+  dim int [not null]
+  embedding vector [not null]
+  created_at timestamptz [default: `now()`]
+  updated_at timestamptz [default: `now()`]
+
+  indexes {
+    (thought_id, model) [unique]
+    thought_id
+  }
+}

schema/crm.dbml

@@ -0,0 +1,53 @@
+Table professional_contacts {
+  id uuid [pk, default: `gen_random_uuid()`]
+  name text [not null]
+  company text
+  title text
+  email text
+  phone text
+  linkedin_url text
+  how_we_met text
+  tags "text[]" [not null, default: `'{}'`]
+  notes text
+  last_contacted timestamptz
+  follow_up_date date
+  created_at timestamptz [not null, default: `now()`]
+  updated_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    last_contacted
+    follow_up_date
+  }
+}
+
+Table contact_interactions {
+  id uuid [pk, default: `gen_random_uuid()`]
+  contact_id uuid [not null, ref: > professional_contacts.id]
+  interaction_type text [not null]
+  occurred_at timestamptz [not null, default: `now()`]
+  summary text [not null]
+  follow_up_needed boolean [not null, default: false]
+  follow_up_notes text
+  created_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    (contact_id, occurred_at)
+  }
+}
+
+Table opportunities {
+  id uuid [pk, default: `gen_random_uuid()`]
+  contact_id uuid [ref: > professional_contacts.id]
+  title text [not null]
+  description text
+  stage text [not null, default: 'identified']
+  value "decimal(12,2)"
+  expected_close_date date
+  notes text
+  created_at timestamptz [not null, default: `now()`]
+  updated_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    stage
+  }
+}

schema/files.dbml

@@ -0,0 +1,21 @@
+Table stored_files {
+  id bigserial [pk]
+  guid uuid [unique, not null, default: `gen_random_uuid()`]
+  thought_id uuid [ref: > thoughts.guid]
+  project_id uuid [ref: > projects.guid]
+  name text [not null]
+  media_type text [not null]
+  kind text [not null, default: 'file']
+  encoding text [not null, default: 'base64']
+  size_bytes bigint [not null]
+  sha256 text [not null]
+  content bytea [not null]
+  created_at timestamptz [not null, default: `now()`]
+  updated_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    thought_id
+    project_id
+    sha256
+  }
+}

schema/household.dbml

@@ -0,0 +1,31 @@
+Table household_items {
+  id uuid [pk, default: `gen_random_uuid()`]
+  name text [not null]
+  category text
+  location text
+  details jsonb [not null, default: `'{}'`]
+  notes text
+  created_at timestamptz [not null, default: `now()`]
+  updated_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    category
+  }
+}
+
+Table household_vendors {
+  id uuid [pk, default: `gen_random_uuid()`]
+  name text [not null]
+  service_type text
+  phone text
+  email text
+  website text
+  notes text
+  rating int
+  last_used date
+  created_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    service_type
+  }
+}

schema/maintenance.dbml

@@ -0,0 +1,30 @@
+Table maintenance_tasks {
+  id uuid [pk, default: `gen_random_uuid()`]
+  name text [not null]
+  category text
+  frequency_days int
+  last_completed timestamptz
+  next_due timestamptz
+  priority text [not null, default: 'medium']
+  notes text
+  created_at timestamptz [not null, default: `now()`]
+  updated_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    next_due
+  }
+}
+
+Table maintenance_logs {
+  id uuid [pk, default: `gen_random_uuid()`]
+  task_id uuid [not null, ref: > maintenance_tasks.id]
+  completed_at timestamptz [not null, default: `now()`]
+  performed_by text
+  cost "decimal(10,2)"
+  notes text
+  next_action text
+
+  indexes {
+    (task_id, completed_at)
+  }
+}

schema/meals.dbml

@@ -0,0 +1,49 @@
+Table recipes {
+  id uuid [pk, default: `gen_random_uuid()`]
+  name text [not null]
+  cuisine text
+  prep_time_minutes int
+  cook_time_minutes int
+  servings int
+  ingredients jsonb [not null, default: `'[]'`]
+  instructions jsonb [not null, default: `'[]'`]
+  tags "text[]" [not null, default: `'{}'`]
+  rating int
+  notes text
+  created_at timestamptz [not null, default: `now()`]
+  updated_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    cuisine
+    tags
+  }
+}
+
+Table meal_plans {
+  id uuid [pk, default: `gen_random_uuid()`]
+  week_start date [not null]
+  day_of_week text [not null]
+  meal_type text [not null]
+  recipe_id uuid [ref: > recipes.id]
+  custom_meal text
+  servings int
+  notes text
+  created_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    week_start
+  }
+}
+
+Table shopping_lists {
+  id uuid [pk, default: `gen_random_uuid()`]
+  week_start date [unique, not null]
+  items jsonb [not null, default: `'[]'`]
+  notes text
+  created_at timestamptz [not null, default: `now()`]
+  updated_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    week_start
+  }
+}

schema/meta.dbml

@@ -0,0 +1,29 @@
+Table chat_histories {
+  id uuid [pk, default: `gen_random_uuid()`]
+  session_id text [not null]
+  title text
+  channel text
+  agent_id text
+  project_id uuid [ref: > projects.guid]
+  messages jsonb [not null, default: `'[]'`]
+  summary text
+  metadata jsonb [not null, default: `'{}'`]
+  created_at timestamptz [not null, default: `now()`]
+  updated_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    session_id
+    project_id
+    channel
+    agent_id
+    created_at
+  }
+}
+
+Table tool_annotations {
+  id bigserial [pk]
+  tool_name text [unique, not null]
+  notes text [not null, default: '']
+  created_at timestamptz [not null, default: `now()`]
+  updated_at timestamptz [not null, default: `now()`]
+}

schema/skills.dbml

@@ -0,0 +1,42 @@
+Table agent_skills {
+  id uuid [pk, default: `gen_random_uuid()`]
+  name text [unique, not null]
+  description text [not null, default: '']
+  content text [not null]
+  tags "text[]" [not null, default: `'{}'`]
+  created_at timestamptz [not null, default: `now()`]
+  updated_at timestamptz [not null, default: `now()`]
+}
+
+Table agent_guardrails {
+  id uuid [pk, default: `gen_random_uuid()`]
+  name text [unique, not null]
+  description text [not null, default: '']
+  content text [not null]
+  severity text [not null, default: 'medium']
+  tags "text[]" [not null, default: `'{}'`]
+  created_at timestamptz [not null, default: `now()`]
+  updated_at timestamptz [not null, default: `now()`]
+}
+
+Table project_skills {
+  project_id uuid [not null, ref: > projects.guid]
+  skill_id uuid [not null, ref: > agent_skills.id]
+  created_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    (project_id, skill_id) [pk]
+    project_id
+  }
+}
+
+Table project_guardrails {
+  project_id uuid [not null, ref: > projects.guid]
+  guardrail_id uuid [not null, ref: > agent_guardrails.id]
+  created_at timestamptz [not null, default: `now()`]
+
+  indexes {
+    (project_id, guardrail_id) [pk]
+    project_id
+  }
+}