diff --git a/api/alembic/versions/0059_form_phase_direction_fix.py b/api/alembic/versions/0059_form_phase_direction_fix.py
new file mode 100644
index 0000000..a5c3699
--- /dev/null
+++ b/api/alembic/versions/0059_form_phase_direction_fix.py
@@ -0,0 +1,15 @@
+from sql_migration import run_sql_file_migration
+
+
+revision = "0059"
+down_revision = "0058"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    run_sql_file_migration("0059_form_phase_direction_fix.sql")
+
+
+def downgrade() -> None:
+    pass
diff --git a/api/alembic/versions/sql/0059_form_phase_direction_fix.sql b/api/alembic/versions/sql/0059_form_phase_direction_fix.sql
new file mode 100644
index 0000000..28d9db5
--- /dev/null
+++ b/api/alembic/versions/sql/0059_form_phase_direction_fix.sql
@@ -0,0 +1,339 @@
+-- AURORA-1879: одноимённые этапы Support/Development.
+-- 1. Чистка дублей этапов без направления и частичный уникальный индекс.
+-- 2. direction в идентификаторе этапа в аудите (add/upd/del), direction в payload upd.
+-- 3. del_form_phase удаляет только этап с указанным phase_code.
+
+DO $$
+DECLARE
+    v_deleted INT;
+BEGIN
+    DELETE FROM v3.form_phase fp
+    WHERE fp.direction IS NULL
+      AND EXISTS (
+          SELECT 1 FROM v3.form_phase o
+          WHERE o.direction IS NULL
+            AND o.budget_form_id = fp.budget_form_id
+            AND o.sheet = fp.sheet
+            AND o.phase_code = fp.phase_code
+            AND o.ctid > fp.ctid
+      );
+    GET DIAGNOSTICS v_deleted = ROW_COUNT;
+    RAISE NOTICE 'form_phase: удалено дублей этапов без направления: %', v_deleted;
+END
+$$;
+
+CREATE UNIQUE INDEX IF NOT EXISTS form_phase_nodir_uidx
+    ON v3.form_phase (budget_form_id, sheet, phase_code)
+    WHERE direction IS NULL;
+
+CREATE OR REPLACE FUNCTION v3.add_form_phase(
+    p_budget_form_id integer, 
+    p_sheet character varying, 
+    p_direction character varying, 
+    p_phase_code character varying, 
+    p_role character varying, 
+    p_column_keys text[], 
+    p_opens_at timestamp without time zone, 
+    p_closes_at timestamp without time zone
+)
+ RETURNS v3.form_phase
+ LANGUAGE plpgsql
+AS $function$
+DECLARE
+    v_phase v3.form_phase;
+    v_org_unit_id INT;
+    v_org_unit_title VARCHAR;
+    v_form_type_code VARCHAR;
+    v_year INT;
+    v_task_name TEXT;
+    v_phase_id TEXT;
+    v_utc_offset VARCHAR(3);
+BEGIN
+    SELECT bf.org_unit_id, ou.title, bf.form_type_code, bf.year
+    INTO v_org_unit_id, v_org_unit_title, v_form_type_code, v_year
+    FROM v3.budget_form bf
+    LEFT JOIN v3.org_unit ou ON ou.id = bf.org_unit_id
+    WHERE bf.id = p_budget_form_id;
+    
+    SELECT utc_offset INTO v_utc_offset
+    FROM v3.org_unit
+    WHERE id = v_org_unit_id;
+    
+    INSERT INTO v3.form_phase(
+        budget_form_id, sheet, direction, phase_code, role, column_keys, opens_at, closes_at
+    )
+    VALUES (
+        p_budget_form_id, 
+        p_sheet,
+        p_direction, 
+        p_phase_code, 
+        p_role, 
+        p_column_keys, 
+        CASE WHEN p_opens_at IS NOT NULL THEN (p_opens_at::text || v_utc_offset)::timestamptz ELSE NULL END,
+        CASE WHEN p_closes_at IS NOT NULL THEN (p_closes_at::text || v_utc_offset)::timestamptz ELSE NULL END
+        
+    )
+    RETURNING * INTO v_phase;
+
+    
+    v_task_name := trim(concat(
+        COALESCE(v_form_type_code, ''),
+        CASE WHEN v_year IS NOT NULL THEN ' ' || v_year::TEXT ELSE '' END,
+        CASE WHEN v_org_unit_title IS NOT NULL THEN ' [' || v_org_unit_title || ']' ELSE '' END
+    ));
+    v_phase_id := concat_ws(':', p_budget_form_id, p_sheet, p_direction, p_phase_code);
+
+    PERFORM v3.log_event(
+        'ACCESS_WINDOW_CHANGE', 'ACCESS',
+        jsonb_build_object(
+            'entity_type', 'task',
+            'entity_id', p_budget_form_id,
+            'core_entity_type', 'form_phase',
+            'core_entity_id', v_phase_id,
+            'action', 'create',
+            'phase_id', v_phase_id,
+            'phase_name', p_phase_code,
+            'task_id', p_budget_form_id,
+            'form_id', p_budget_form_id,
+            'budget_form_id', p_budget_form_id,
+            'org_unit_id', v_org_unit_id,
+            'org_unit_name', v_org_unit_title,
+            'sheet', p_sheet,
+            'direction', p_direction,
+            'phase_code', p_phase_code,
+            'role', v_phase.role,
+            'column_keys', v_phase.column_keys,
+            'opens_at', v_phase.opens_at,
+            'closes_at', v_phase.closes_at
+        ),
+        p_budget_form_id, null, v_org_unit_id
+    );
+
+    RETURN v_phase;
+END;
+$function$
+;
+
+CREATE OR REPLACE FUNCTION v3.del_form_phase(p_budget_form_id integer, p_sheet character varying, p_direction character varying, p_phase_code character varying)
+ RETURNS boolean
+ LANGUAGE plpgsql
+AS $function$
+            DECLARE
+                v_old v3.form_phase;
+                v_org_unit_id INT;
+                v_org_unit_title VARCHAR;
+                v_form_type_code VARCHAR;
+                v_year INT;
+                v_task_name TEXT;
+                v_phase_id TEXT;
+            BEGIN
+                DELETE FROM v3.form_phase
+                WHERE budget_form_id = p_budget_form_id
+                AND sheet = p_sheet
+                AND (direction = p_direction OR (direction IS NULL AND p_direction IS NULL))
+                AND phase_code = p_phase_code
+                RETURNING * INTO v_old;
+
+                IF NOT FOUND THEN
+                    RETURN FALSE;
+                END IF;
+
+                SELECT bf.org_unit_id, ou.title, bf.form_type_code, bf.year
+                INTO v_org_unit_id, v_org_unit_title, v_form_type_code, v_year
+                FROM v3.budget_form bf
+                LEFT JOIN v3.org_unit ou ON ou.id = bf.org_unit_id
+                WHERE bf.id = p_budget_form_id;
+                v_task_name := trim(concat(
+                    COALESCE(v_form_type_code, ''),
+                    CASE WHEN v_year IS NOT NULL THEN ' ' || v_year::TEXT ELSE '' END,
+                    CASE WHEN v_org_unit_title IS NOT NULL THEN ' [' || v_org_unit_title || ']' ELSE '' END
+                ));
+                v_phase_id := concat_ws(':', p_budget_form_id, p_sheet, p_direction, p_phase_code);
+
+                PERFORM v3.log_event(
+                    'ACCESS_WINDOW_CHANGE', 'ACCESS',
+                    jsonb_build_object(
+                        'entity_type', 'task',
+                        'entity_id', p_budget_form_id,
+                        'core_entity_type', 'form_phase',
+                        'core_entity_id', v_phase_id,
+                        'action', 'delete',
+                        'phase_id', v_phase_id,
+                        'phase_name', p_phase_code,
+                        'task_id', p_budget_form_id,
+                        'task_name', NULLIF(v_task_name, ''),
+                        'form_id', p_budget_form_id,
+                        'budget_form_id', p_budget_form_id,
+                        'org_unit_id', v_org_unit_id,
+                        'org_unit_name', v_org_unit_title,
+                        'sheet', p_sheet,
+                        'direction', p_direction,
+                        'phase_code', p_phase_code,
+                        'role', v_old.role,
+                        'column_keys', v_old.column_keys,
+                        'opens_at', v_old.opens_at,
+                        'closes_at', v_old.closes_at
+                    ),
+                    p_budget_form_id, null, v_org_unit_id
+                );
+                RETURN TRUE;
+            END;
+            $function$
+;
+
+CREATE OR REPLACE FUNCTION v3.upd_form_phase(p_budget_form_id integer, p_sheet character varying, p_direction character varying, p_phase_code character varying, p_role character varying DEFAULT NULL::character varying, p_column_keys text[] DEFAULT NULL::text[], p_opens_at timestamp without time zone DEFAULT NULL::timestamp without time zone, p_closes_at timestamp without time zone DEFAULT NULL::timestamp without time zone)
+ RETURNS v3.form_phase
+ LANGUAGE plpgsql
+AS $function$
+DECLARE
+    v_old v3.form_phase;
+    v_new v3.form_phase;
+    v_is_extend BOOLEAN := FALSE;
+    v_has_non_extend_change BOOLEAN := FALSE;
+    v_has_window_change BOOLEAN := FALSE;
+    v_changes JSONB := '{}'::jsonb;
+    v_org_unit_id INT;
+    v_org_unit_title VARCHAR;
+    v_form_type_code VARCHAR;
+    v_year INT;
+    v_task_name TEXT;
+    v_phase_id TEXT;
+    v_utc_offset VARCHAR(3);
+    v_opens_at timestamptz;
+    v_closes_at timestamptz;
+BEGIN
+    SELECT * INTO v_old
+    FROM v3.form_phase
+    WHERE budget_form_id = p_budget_form_id
+    AND sheet = p_sheet
+    AND (direction = p_direction OR (direction  IS NULL AND p_direction IS NULL))
+    AND phase_code = p_phase_code;
+
+    IF NOT FOUND THEN
+        RAISE EXCEPTION 'form_phase не найден (form_id=%, sheet=%, phase=%)',
+        p_budget_form_id, p_sheet, p_phase_code;
+    END IF;
+
+    SELECT bf.org_unit_id, ou.title, bf.form_type_code, bf.year, ou.utc_offset
+    INTO v_org_unit_id, v_org_unit_title, v_form_type_code, v_year, v_utc_offset
+    FROM v3.budget_form bf
+    LEFT JOIN v3.org_unit ou ON ou.id = bf.org_unit_id
+    WHERE bf.id = p_budget_form_id;
+    v_task_name := trim(concat(
+        COALESCE(v_form_type_code, ''),
+        CASE WHEN v_year IS NOT NULL THEN ' ' || v_year::TEXT ELSE '' END,
+        CASE WHEN v_org_unit_title IS NOT NULL THEN ' [' || v_org_unit_title || ']' ELSE '' END
+    ));
+
+    IF p_opens_at is not null THEN
+        v_opens_at = (p_opens_at::text || v_utc_offset)::timestamptz;
+    END IF;
+    IF p_closes_at is not null THEN
+        v_closes_at = (p_closes_at::text || v_utc_offset)::timestamptz;
+    END IF;
+
+    UPDATE v3.form_phase
+    SET role        = COALESCE(p_role, role),
+        column_keys = COALESCE(p_column_keys, column_keys),
+        opens_at    = COALESCE(v_opens_at, opens_at),
+        closes_at   = COALESCE(v_closes_at, closes_at)
+    WHERE budget_form_id = p_budget_form_id
+    AND sheet = p_sheet
+    AND (direction = p_direction OR (direction  IS NULL AND p_direction IS NULL))
+    AND phase_code = p_phase_code
+    RETURNING * INTO v_new;
+
+    
+    v_phase_id := concat_ws(':', p_budget_form_id, p_sheet, p_direction, p_phase_code);
+
+    v_is_extend := v_new.closes_at > v_old.closes_at;
+    v_has_non_extend_change := v_old.role IS DISTINCT FROM v_new.role
+        OR v_old.column_keys IS DISTINCT FROM v_new.column_keys
+        OR v_old.opens_at IS DISTINCT FROM v_new.opens_at;
+    v_has_window_change := v_has_non_extend_change
+        OR (v_old.closes_at IS DISTINCT FROM v_new.closes_at AND NOT v_is_extend);
+
+    IF v_old.role IS DISTINCT FROM v_new.role THEN
+        v_changes := v_changes || jsonb_build_object(
+            'role', jsonb_build_object('before', v_old.role, 'after', v_new.role)
+        );
+    END IF;
+    IF v_old.column_keys IS DISTINCT FROM v_new.column_keys THEN
+        v_changes := v_changes || jsonb_build_object(
+            'column_keys', jsonb_build_object('before', v_old.column_keys, 'after', v_new.column_keys)
+        );
+    END IF;
+    IF v_old.opens_at IS DISTINCT FROM v_new.opens_at THEN
+        v_changes := v_changes || jsonb_build_object(
+            'opens_at', jsonb_build_object(
+                'before', v_old.opens_at,
+                'after', v_new.opens_at
+            )
+        );
+    END IF;
+    IF v_old.closes_at IS DISTINCT FROM v_new.closes_at THEN
+        v_changes := v_changes || jsonb_build_object(
+            'closes_at', jsonb_build_object(
+                'before', v_old.closes_at,
+                'after', v_new.closes_at
+            )
+        );
+    END IF;
+
+    IF v_is_extend THEN
+        PERFORM v3.log_event(
+            'ACCESS_EXTEND', 'ACCESS',
+            jsonb_build_object(
+                'entity_type', 'task',
+                'entity_id', p_budget_form_id,
+                'core_entity_type', 'form_phase',
+                'core_entity_id', v_phase_id,
+
+                'phase_id', v_phase_id,
+                'phase_name', p_phase_code,
+                'task_id', p_budget_form_id,
+                'task_name', NULLIF(v_task_name, ''),
+                'form_id', p_budget_form_id,
+                'budget_form_id', p_budget_form_id,
+                'org_unit_id', v_org_unit_id,
+                'org_unit_name', v_org_unit_title,
+                'sheet', p_sheet,
+                'direction', p_direction,
+                'phase_code', p_phase_code,
+                'closes_at_before', v_old.closes_at,
+                'closes_at_after', v_new.closes_at
+            ),
+            p_budget_form_id
+        );
+    END IF;
+
+    IF v_has_window_change THEN
+        PERFORM v3.log_event(
+            'ACCESS_WINDOW_CHANGE', 'ACCESS',
+            jsonb_build_object(
+                'entity_type', 'task',
+                'entity_id', p_budget_form_id,
+                'core_entity_type', 'form_phase',
+                'core_entity_id', v_phase_id,
+                'action', 'update',
+                'phase_id', v_phase_id,
+                'phase_name', p_phase_code,
+                'task_id', p_budget_form_id,
+                'task_name', NULLIF(v_task_name, ''),
+                'form_id', p_budget_form_id,
+                'budget_form_id', p_budget_form_id,
+                'org_unit_id', v_org_unit_id,
+                'org_unit_name', v_org_unit_title,
+                'sheet', p_sheet,
+                'direction', p_direction,
+                'phase_code', p_phase_code,
+                'changes', v_changes
+            ),
+            p_budget_form_id, null, v_org_unit_id
+        );
+    END IF;
+
+    RETURN v_new;
+END;
+$function$
+;
diff --git a/api/src/db/models/form_phase.py b/api/src/db/models/form_phase.py
index 4774936..f7c1911 100644
--- a/api/src/db/models/form_phase.py
+++ b/api/src/db/models/form_phase.py
@@ -22,6 +22,6 @@ class FormPhase(Base):
     phase_code: Mapped[str] = mapped_column(String, primary_key=True)
     role: Mapped[str] = mapped_column(String, ForeignKey("v3.role.code"))
     column_keys: Mapped[list[str]] = mapped_column(ARRAY(Text))
-    direction: Mapped[str] = mapped_column(String)
+    direction: Mapped[str | None] = mapped_column(String, primary_key=True, nullable=True)
     opens_at: Mapped[datetime] = mapped_column(DateTime(timezone=True))
     closes_at: Mapped[datetime] = mapped_column(DateTime(timezone=True))
diff --git a/api/src/repository/form_phase_repository.py b/api/src/repository/form_phase_repository.py
index 0c96c9f..1b9d7e5 100644
--- a/api/src/repository/form_phase_repository.py
+++ b/api/src/repository/form_phase_repository.py
@@ -29,6 +29,12 @@ class FormPhaseRepository:
             query = query.where(FormPhase.phase_code == phase_code)
         if role is not None:
             query = query.where(FormPhase.role == role)
+        query = query.order_by(
+            FormPhase.sheet,
+            FormPhase.direction.nulls_first(),
+            FormPhase.opens_at,
+            FormPhase.phase_code,
+        )
         return (await self.db.execute(query)).scalars().all()
 
     async def get(
diff --git a/api/tests/unit/test_form_phase_model.py b/api/tests/unit/test_form_phase_model.py
new file mode 100644
index 0000000..5d58208
--- /dev/null
+++ b/api/tests/unit/test_form_phase_model.py
@@ -0,0 +1,11 @@
+from src.db.models.form_phase import FormPhase
+
+
+def test_direction_in_primary_key():
+    pk_names = {col.name for col in FormPhase.__mapper__.primary_key}
+    assert "direction" in pk_names
+    assert {"budget_form_id", "sheet", "phase_code"} <= pk_names
+
+
+def test_direction_nullable():
+    assert FormPhase.__table__.c.direction.nullable is True