feat: Human Input Node (#32060)

The frontend and backend implementation for the human input node.

Co-authored-by: twwu <twwu@dify.ai>
Co-authored-by: JzoNg <jzongcode@gmail.com>
Co-authored-by: yyh <92089059+lyzno1@users.noreply.github.com>
Co-authored-by: zhsama <torvalds@linux.do>

api/migrations/versions/2026_01_17_1110-f9f6d18a37f9_add_table_explore_banner_and_trial.py

@@ -20,7 +20,7 @@ depends_on = None
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
     op.create_table('account_trial_app_records',
-    sa.Column('id', models.types.StringUUID(), server_default=sa.text('uuid_generate_v4()'), nullable=False),
+    sa.Column('id', models.types.StringUUID(), nullable=False),
     sa.Column('account_id', models.types.StringUUID(), nullable=False),
     sa.Column('app_id', models.types.StringUUID(), nullable=False),
     sa.Column('count', sa.Integer(), nullable=False),
@@ -33,17 +33,17 @@ def upgrade():
         batch_op.create_index('account_trial_app_record_app_id_idx', ['app_id'], unique=False)
 
     op.create_table('exporle_banners',
-    sa.Column('id', models.types.StringUUID(), server_default=sa.text('uuid_generate_v4()'), nullable=False),
+    sa.Column('id', models.types.StringUUID(), nullable=False),
     sa.Column('content', sa.JSON(), nullable=False),
     sa.Column('link', sa.String(length=255), nullable=False),
     sa.Column('sort', sa.Integer(), nullable=False),
-    sa.Column('status', sa.String(length=255), server_default=sa.text("'enabled'::character varying"), nullable=False),
+    sa.Column('status', sa.String(length=255), server_default=sa.text("'enabled'"), nullable=False),
     sa.Column('created_at', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False),
-    sa.Column('language', sa.String(length=255), server_default=sa.text("'en-US'::character varying"), nullable=False),
+    sa.Column('language', sa.String(length=255), server_default=sa.text("'en-US'"), nullable=False),
     sa.PrimaryKeyConstraint('id', name='exporler_banner_pkey')
     )
     op.create_table('trial_apps',
-    sa.Column('id', models.types.StringUUID(), server_default=sa.text('uuid_generate_v4()'), nullable=False),
+    sa.Column('id', models.types.StringUUID(), nullable=False),
     sa.Column('app_id', models.types.StringUUID(), nullable=False),
     sa.Column('tenant_id', models.types.StringUUID(), nullable=False),
     sa.Column('created_at', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False),

api/migrations/versions/2026_01_29_1415-e8c3b3c46151_add_human_input_related_db_models.py

@@ -0,0 +1,99 @@
+"""Add human input related db models
+
+Revision ID: e8c3b3c46151
+Revises: 788d3099ae3a
+Create Date: 2026-01-29 14:15:23.081903
+
+"""
+
+from alembic import op
+import models as models
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "e8c3b3c46151"
+down_revision = "788d3099ae3a"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        "execution_extra_contents",
+        sa.Column("id", models.types.StringUUID(), nullable=False),
+        sa.Column("created_at", sa.DateTime(), server_default=sa.text("CURRENT_TIMESTAMP"), nullable=False),
+        sa.Column("updated_at", sa.DateTime(), server_default=sa.text("CURRENT_TIMESTAMP"), nullable=False),
+
+        sa.Column("type", sa.String(length=30), nullable=False),
+        sa.Column("workflow_run_id", models.types.StringUUID(), nullable=False),
+        sa.Column("message_id", models.types.StringUUID(), nullable=True),
+        sa.Column("form_id", models.types.StringUUID(), nullable=True),
+        sa.PrimaryKeyConstraint("id", name=op.f("execution_extra_contents_pkey")),
+    )
+    with op.batch_alter_table("execution_extra_contents", schema=None) as batch_op:
+        batch_op.create_index(batch_op.f("execution_extra_contents_message_id_idx"), ["message_id"], unique=False)
+        batch_op.create_index(
+            batch_op.f("execution_extra_contents_workflow_run_id_idx"), ["workflow_run_id"], unique=False
+        )
+
+    op.create_table(
+        "human_input_form_deliveries",
+        sa.Column("id", models.types.StringUUID(), nullable=False),
+        sa.Column("created_at", sa.DateTime(), server_default=sa.text("CURRENT_TIMESTAMP"), nullable=False),
+        sa.Column("updated_at", sa.DateTime(), server_default=sa.text("CURRENT_TIMESTAMP"), nullable=False),
+
+        sa.Column("form_id", models.types.StringUUID(), nullable=False),
+        sa.Column("delivery_method_type", sa.String(length=20), nullable=False),
+        sa.Column("delivery_config_id", models.types.StringUUID(), nullable=True),
+        sa.Column("channel_payload", sa.Text(), nullable=False),
+        sa.PrimaryKeyConstraint("id", name=op.f("human_input_form_deliveries_pkey")),
+    )
+
+    op.create_table(
+        "human_input_form_recipients",
+        sa.Column("id", models.types.StringUUID(), nullable=False),
+        sa.Column("created_at", sa.DateTime(), server_default=sa.text("CURRENT_TIMESTAMP"), nullable=False),
+        sa.Column("updated_at", sa.DateTime(), server_default=sa.text("CURRENT_TIMESTAMP"), nullable=False),
+
+        sa.Column("form_id", models.types.StringUUID(), nullable=False),
+        sa.Column("delivery_id", models.types.StringUUID(), nullable=False),
+        sa.Column("recipient_type", sa.String(length=20), nullable=False),
+        sa.Column("recipient_payload", sa.Text(), nullable=False),
+        sa.Column("access_token", sa.VARCHAR(length=32), nullable=False),
+        sa.PrimaryKeyConstraint("id", name=op.f("human_input_form_recipients_pkey")),
+    )
+    with op.batch_alter_table('human_input_form_recipients', schema=None) as batch_op:
+        batch_op.create_unique_constraint(batch_op.f('human_input_form_recipients_access_token_key'), ['access_token'])
+
+    op.create_table(
+        "human_input_forms",
+        sa.Column("id", models.types.StringUUID(), nullable=False),
+        sa.Column("created_at", sa.DateTime(), server_default=sa.text("CURRENT_TIMESTAMP"), nullable=False),
+        sa.Column("updated_at", sa.DateTime(), server_default=sa.text("CURRENT_TIMESTAMP"), nullable=False),
+
+        sa.Column("tenant_id", models.types.StringUUID(), nullable=False),
+        sa.Column("app_id", models.types.StringUUID(), nullable=False),
+        sa.Column("workflow_run_id", models.types.StringUUID(), nullable=True),
+        sa.Column("form_kind", sa.String(length=20), nullable=False),
+        sa.Column("node_id", sa.String(length=60), nullable=False),
+        sa.Column("form_definition", sa.Text(), nullable=False),
+        sa.Column("rendered_content", sa.Text(), nullable=False),
+        sa.Column("status", sa.String(length=20), nullable=False),
+        sa.Column("expiration_time", sa.DateTime(), nullable=False),
+        sa.Column("selected_action_id", sa.String(length=200), nullable=True),
+        sa.Column("submitted_data", sa.Text(), nullable=True),
+        sa.Column("submitted_at", sa.DateTime(), nullable=True),
+        sa.Column("submission_user_id", models.types.StringUUID(), nullable=True),
+        sa.Column("submission_end_user_id", models.types.StringUUID(), nullable=True),
+        sa.Column("completed_by_recipient_id", models.types.StringUUID(), nullable=True),
+
+        sa.PrimaryKeyConstraint("id", name=op.f("human_input_forms_pkey")),
+    )
+
+
+def downgrade():
+    op.drop_table("human_input_forms")
+    op.drop_table("human_input_form_recipients")
+    op.drop_table("human_input_form_deliveries")
+    op.drop_table("execution_extra_contents")

api/migrations/versions/2026_02_09_0950-c3df22613c99_drop_server_default_for_app_trail_.py

@@ -0,0 +1,34 @@
+"""drop server_default for app trail related tables
+
+Revision ID: c3df22613c99
+Revises: e8c3b3c46151
+Create Date: 2026-02-09 09:50:46.181969
+
+"""
+from alembic import op
+import models as models
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'c3df22613c99'
+down_revision = 'e8c3b3c46151'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.alter_column("account_trial_app_records", "id", server_default=None)
+    op.alter_column("exporle_banners", "id", server_default=None)
+    op.alter_column("trial_apps", "id", server_default=None)
+
+
+def downgrade():
+    # This migration is primarily for schema consistence
+    # between database  and model definitions.
+    #
+    # The original 
+    # DROP SERVER default is idemponent.
+    # Besides, the original migration has been updated to
+    # reflect the
+    pass