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ironflow_api/routes/
human_input.rs

1//! `POST /api/v1/runs/:id/steps/:step_id/input` -- Answer a human input step.
2//!
3//! `POST /api/v1/runs/:id/steps/:step_id/reject` -- Reject a human input step.
4
5use axum::Json;
6use axum::extract::{Path, State};
7use axum::response::IntoResponse;
8use chrono::Utc;
9use ironflow_auth::extractor::Authenticated;
10use ironflow_engine::config::HUMAN_INPUT_SCHEMA_KEY;
11use ironflow_engine::engine::ExecutionMode;
12use ironflow_store::models::{
13    Run, RunStatus, Step, StepApproval, StepKind, StepStatus, StepUpdate,
14};
15use jsonschema::validator_for;
16use serde::{Deserialize, Serialize};
17use serde_json::Value;
18use tokio::spawn;
19use tracing::error;
20use uuid::Uuid;
21
22use crate::entities::RunResponse;
23use crate::error::ApiError;
24use crate::response::ok;
25use crate::routes::approve_run::authorize_gate;
26use crate::state::AppState;
27
28/// Request body for rejecting a human input step.
29#[cfg_attr(feature = "openapi", derive(utoipa::ToSchema))]
30#[derive(Debug, Default, Deserialize, Serialize)]
31pub struct RejectHumanInputRequest {
32    /// Why the input is refused. Passed to the handler.
33    #[serde(default)]
34    pub reason: Option<String>,
35}
36
37/// Answer a human input step with a value matching its JSON schema.
38///
39/// The answer is validated against the schema stored on the step. The caller
40/// must be allowed to resolve the step like an approval gate (admin, approver
41/// groups, assignee or delegation). The first valid answer wins: the step
42/// completes, the run moves from `AwaitingApproval` back to `Running` and
43/// resumes, and the handler receives the typed answer.
44///
45/// # Errors
46///
47/// - 400 if the step is not a human input or is not awaiting input
48/// - 403 if the caller may not answer the step
49/// - 404 if the run or the step does not exist
50/// - 409 if the input was already answered or rejected
51/// - 422 if the answer does not match the schema
52#[cfg_attr(
53    feature = "openapi",
54    utoipa::path(
55        post,
56        path = "/api/v1/runs/{id}/steps/{step_id}/input",
57        tags = ["runs"],
58        params(
59            ("id" = Uuid, Path, description = "Run ID"),
60            ("step_id" = Uuid, Path, description = "Step ID")
61        ),
62        request_body(content = Value, content_type = "application/json", description = "Answer matching the JSON schema stored on the step"),
63        responses(
64            (status = 200, description = "Answer recorded, the run resumes", body = RunResponse),
65            (status = 400, description = "Step is not a human input awaiting input"),
66            (status = 401, description = "Unauthorized"),
67            (status = 403, description = "Forbidden"),
68            (status = 404, description = "Run or step not found"),
69            (status = 409, description = "Input already answered or rejected"),
70            (status = 422, description = "Answer does not match the schema")
71        ),
72        security(("Bearer" = []))
73    )
74)]
75pub async fn submit_human_input(
76    auth: Authenticated,
77    State(state): State<AppState>,
78    Path((id, step_id)): Path<(Uuid, Uuid)>,
79    Json(answer): Json<Value>,
80) -> Result<impl IntoResponse, ApiError> {
81    let (run, step) = open_input_step(&state, id, step_id).await?;
82    let actor = authorize_gate(&auth, &state, &run, &step).await?;
83    validate_answer(step.input.as_ref(), &answer)?;
84
85    // Like approve, two concurrent answers are not serialized: both may pass
86    // the status check above before either is written. This is an accepted
87    // limitation of the gate routes.
88    let now = Utc::now();
89    state
90        .store
91        .record_step_approval(
92            step.id,
93            StepApproval {
94                user_id: auth.user_id,
95                approved_by: actor,
96                at: now,
97            },
98        )
99        .await?;
100    state
101        .store
102        .update_step(
103            step.id,
104            StepUpdate {
105                status: Some(StepStatus::Completed),
106                output: Some(answer),
107                completed_at: Some(now),
108                clear_approval_deadline: true,
109                ..StepUpdate::default()
110            },
111        )
112        .await?;
113    state
114        .store
115        .update_run_status(id, resume_status(&state))
116        .await?;
117
118    resume_in_background(&state, id);
119
120    Ok(ok(RunResponse::from(state.get_run_or_404(id).await?)))
121}
122
123/// Reject a human input step.
124///
125/// The step is marked `Rejected` with the reason, the run moves from
126/// `AwaitingApproval` back to `Running` and resumes: the handler receives a
127/// `HumanInputRejected` error and decides what happens next. The body is
128/// optional; without a reason, one naming the caller is recorded.
129///
130/// # Errors
131///
132/// - 400 if the step is not a human input or is not awaiting input
133/// - 403 if the caller may not resolve the step
134/// - 404 if the run or the step does not exist
135/// - 409 if the input was already answered or rejected
136#[cfg_attr(
137    feature = "openapi",
138    utoipa::path(
139        post,
140        path = "/api/v1/runs/{id}/steps/{step_id}/reject",
141        tags = ["runs"],
142        params(
143            ("id" = Uuid, Path, description = "Run ID"),
144            ("step_id" = Uuid, Path, description = "Step ID")
145        ),
146        request_body(content = RejectHumanInputRequest, description = "Optional rejection reason"),
147        responses(
148            (status = 200, description = "Input rejected, the run resumes", body = RunResponse),
149            (status = 400, description = "Step is not a human input awaiting input"),
150            (status = 401, description = "Unauthorized"),
151            (status = 403, description = "Forbidden"),
152            (status = 404, description = "Run or step not found"),
153            (status = 409, description = "Input already answered or rejected")
154        ),
155        security(("Bearer" = []))
156    )
157)]
158pub async fn reject_human_input(
159    auth: Authenticated,
160    State(state): State<AppState>,
161    Path((id, step_id)): Path<(Uuid, Uuid)>,
162    body: Option<Json<RejectHumanInputRequest>>,
163) -> Result<impl IntoResponse, ApiError> {
164    let (run, step) = open_input_step(&state, id, step_id).await?;
165    let actor = authorize_gate(&auth, &state, &run, &step).await?;
166
167    let reason = body
168        .and_then(|Json(b)| b.reason)
169        .filter(|r| !r.trim().is_empty())
170        .unwrap_or_else(|| format!("input rejected by {actor}"));
171
172    state
173        .store
174        .update_step(
175            step.id,
176            StepUpdate {
177                status: Some(StepStatus::Rejected),
178                error: Some(reason),
179                completed_at: Some(Utc::now()),
180                clear_approval_deadline: true,
181                ..StepUpdate::default()
182            },
183        )
184        .await?;
185    state
186        .store
187        .update_run_status(id, resume_status(&state))
188        .await?;
189
190    resume_in_background(&state, id);
191
192    Ok(ok(RunResponse::from(state.get_run_or_404(id).await?)))
193}
194
195/// Load the run and the human input step, and check the step can be resolved.
196///
197/// A resolved step returns 409 whatever the run status, so replaying an
198/// accepted request is reported as a conflict rather than a bad request.
199async fn open_input_step(
200    state: &AppState,
201    run_id: Uuid,
202    step_id: Uuid,
203) -> Result<(Run, Step), ApiError> {
204    let run = state.get_run_or_404(run_id).await?;
205    let step = state
206        .store
207        .get_step(step_id)
208        .await?
209        .filter(|s| s.run_id == run_id)
210        .ok_or(ApiError::StepNotFound(step_id))?;
211
212    if step.kind != StepKind::HumanInput {
213        return Err(ApiError::BadRequest(
214            "step does not wait for input".to_string(),
215        ));
216    }
217
218    match step.status.state {
219        StepStatus::Completed => {
220            return Err(ApiError::Conflict("input already provided".to_string()));
221        }
222        StepStatus::Rejected => {
223            return Err(ApiError::Conflict("input already rejected".to_string()));
224        }
225        _ => {}
226    }
227
228    if step.status.state != StepStatus::AwaitingApproval
229        || run.status.state != RunStatus::AwaitingApproval
230    {
231        return Err(ApiError::BadRequest(
232            "step is not awaiting input".to_string(),
233        ));
234    }
235
236    Ok((run, step))
237}
238
239/// Validate `answer` against the JSON schema stored in the step input.
240fn validate_answer(input: Option<&Value>, answer: &Value) -> Result<(), ApiError> {
241    let schema = input
242        .and_then(|i| i.get(HUMAN_INPUT_SCHEMA_KEY))
243        .ok_or_else(|| ApiError::Internal("input step has no stored schema".to_string()))?;
244    let validator = validator_for(schema)
245        .map_err(|e| ApiError::Internal(format!("input step has an invalid schema: {e}")))?;
246
247    let errors: Vec<String> = validator
248        .iter_errors(answer)
249        .map(|e| e.to_string())
250        .collect();
251    if errors.is_empty() {
252        Ok(())
253    } else {
254        Err(ApiError::InvalidInput(errors))
255    }
256}
257
258/// The status a run moves to once its input is answered or rejected:
259/// `Running` to resume it here, `Pending` to requeue it for a worker.
260fn resume_status(state: &AppState) -> RunStatus {
261    match state.engine.execution_mode() {
262        ExecutionMode::Local => RunStatus::Running,
263        ExecutionMode::Workers => RunStatus::Pending,
264    }
265}
266
267/// Under [`ExecutionMode::Local`], resume the run in the background; the
268/// handler replays up to the input. Under [`ExecutionMode::Workers`], do
269/// nothing: the run is already `Pending` and a worker picks it up.
270fn resume_in_background(state: &AppState, id: Uuid) {
271    if !matches!(state.engine.execution_mode(), ExecutionMode::Local) {
272        return;
273    }
274    let engine = state.engine.clone();
275    spawn(async move {
276        if let Err(err) = engine.resume_run(id).await {
277            error!(run_id = %id, error = %err, "failed to resume run after human input");
278        }
279    });
280}
281
282#[cfg(test)]
283mod tests {
284    use std::collections::HashMap;
285    use std::sync::Arc;
286
287    use axum::Router;
288    use axum::body::Body;
289    use axum::http::{Request, StatusCode};
290    use axum::routing::post;
291    use http_body_util::BodyExt;
292    use ironflow_auth::jwt::{AccessToken, JwtConfig};
293    use ironflow_auth::password;
294    use ironflow_core::providers::claude::ClaudeCodeProvider;
295    use ironflow_engine::engine::Engine;
296    use ironflow_engine::handler::input_schema_for;
297    use ironflow_engine::notify::Event;
298    use ironflow_store::memory::InMemoryStore;
299    use ironflow_store::models::{
300        Assignee, NewRun, NewStep, NewUser, TriggerKind, User, step_trace_id,
301    };
302    use ironflow_store::store::RunStore;
303    use ironflow_store::user_store::UserStore;
304    use schemars::JsonSchema;
305    use serde_json::{from_slice, json};
306    use tokio::sync::broadcast;
307    use tower::ServiceExt;
308
309    use super::*;
310    use crate::routes::test_helpers::create_user_auth_header;
311
312    /// The answer type the test steps ask for.
313    #[allow(dead_code)]
314    #[derive(Deserialize, JsonSchema)]
315    struct Answers {
316        answers: Vec<String>,
317    }
318
319    /// An answer type whose schema carries a `$defs` reference.
320    #[allow(dead_code)]
321    #[derive(Deserialize, JsonSchema)]
322    struct Nested {
323        target: Target,
324    }
325
326    #[allow(dead_code)]
327    #[derive(Deserialize, JsonSchema)]
328    struct Target {
329        env: String,
330    }
331
332    fn test_state(store: Arc<InMemoryStore>) -> AppState {
333        let provider = Arc::new(ClaudeCodeProvider::new());
334        let engine = Arc::new(Engine::new(store.clone(), provider));
335        let jwt_config = Arc::new(JwtConfig {
336            secret: "test-secret".to_string(),
337            access_token_ttl_secs: 900,
338            refresh_token_ttl_secs: 604800,
339            cookie_domain: None,
340            cookie_secure: false,
341        });
342        let (event_sender, _) = broadcast::channel::<Event>(1);
343        AppState::new(
344            store,
345            engine,
346            jwt_config,
347            "test-worker-token".to_string(),
348            event_sender,
349        )
350    }
351
352    async fn member(store: &Arc<InMemoryStore>, username: &str) -> User {
353        let password_hash = password::hash("password123").expect("hash");
354        store
355            .create_user(NewUser {
356                email: format!("{username}@example.com"),
357                username: username.to_string(),
358                password_hash,
359                // The first user would otherwise become an implicit admin.
360                is_admin: Some(false),
361            })
362            .await
363            .expect("create user")
364    }
365
366    fn member_header(user: &User, state: &AppState) -> String {
367        let token = AccessToken::for_user(user.id, &user.username, false, &state.jwt_config)
368            .expect("token");
369        format!("Bearer {}", token.0)
370    }
371
372    async fn awaiting_run(store: &Arc<InMemoryStore>) -> Uuid {
373        let run = store
374            .create_run(NewRun {
375                created_by: None,
376                workflow_name: "test".to_string(),
377                trigger: TriggerKind::Manual,
378                payload: json!({}),
379                max_retries: 0,
380                handler_version: None,
381                labels: HashMap::new(),
382                scheduled_at: None,
383                idempotency_key: None,
384                concurrency_key: None,
385                concurrency_limits: Vec::new(),
386                max_cost_usd: None,
387                worker_tags: Vec::new(),
388            })
389            .await
390            .unwrap()
391            .into_run();
392        store
393            .update_run_status(run.id, RunStatus::Running)
394            .await
395            .unwrap();
396        store
397            .update_run_status(run.id, RunStatus::AwaitingApproval)
398            .await
399            .unwrap();
400        run.id
401    }
402
403    /// A step of `kind` awaiting approval on `run_id`.
404    async fn awaiting_step(
405        store: &Arc<InMemoryStore>,
406        run_id: Uuid,
407        kind: StepKind,
408        assignee: Option<Assignee>,
409    ) -> Uuid {
410        let step = store
411            .create_step(NewStep {
412                run_id,
413                trace_id: step_trace_id(run_id, "clarify", 0),
414                name: "clarify".to_string(),
415                kind,
416                position: 0,
417                input: Some(json!({
418                    "message": "Answer the questions",
419                    HUMAN_INPUT_SCHEMA_KEY: input_schema_for::<Answers>(),
420                })),
421                is_error_handler: false,
422            })
423            .await
424            .unwrap();
425        store
426            .update_step(
427                step.id,
428                StepUpdate {
429                    status: Some(StepStatus::Running),
430                    ..StepUpdate::default()
431                },
432            )
433            .await
434            .unwrap();
435        store
436            .update_step(
437                step.id,
438                StepUpdate {
439                    status: Some(StepStatus::AwaitingApproval),
440                    approval_assignee: assignee,
441                    ..StepUpdate::default()
442                },
443            )
444            .await
445            .unwrap();
446        step.id
447    }
448
449    /// A run awaiting a human input step, with an admin header.
450    async fn setup() -> (Arc<InMemoryStore>, AppState, Uuid, Uuid) {
451        let store = Arc::new(InMemoryStore::new());
452        let run_id = awaiting_run(&store).await;
453        let step_id = awaiting_step(&store, run_id, StepKind::HumanInput, None).await;
454        let state = test_state(store.clone());
455        (store, state, run_id, step_id)
456    }
457
458    fn app(state: AppState) -> Router {
459        Router::new()
460            .route("/{id}/steps/{step_id}/input", post(submit_human_input))
461            .route("/{id}/steps/{step_id}/reject", post(reject_human_input))
462            .with_state(state)
463    }
464
465    /// POST `body` (or nothing) to `/{run_id}/steps/{step_id}/{verb}`.
466    async fn call(
467        state: &AppState,
468        auth: &str,
469        run_id: Uuid,
470        step_id: Uuid,
471        verb: &str,
472        body: Option<Value>,
473    ) -> (StatusCode, Value) {
474        let builder = Request::builder()
475            .method("POST")
476            .uri(format!("/{run_id}/steps/{step_id}/{verb}"))
477            .header("authorization", auth);
478        let req = match body {
479            Some(body) => builder
480                .header("content-type", "application/json")
481                .body(Body::from(body.to_string()))
482                .unwrap(),
483            None => builder.body(Body::empty()).unwrap(),
484        };
485
486        let resp = app(state.clone()).oneshot(req).await.unwrap();
487        let status = resp.status();
488        let bytes = resp.into_body().collect().await.unwrap().to_bytes();
489        let json_val = if bytes.is_empty() {
490            Value::Null
491        } else {
492            from_slice(&bytes).unwrap()
493        };
494        (status, json_val)
495    }
496
497    #[tokio::test]
498    async fn human_input_submit_valid_answer_resumes_the_run() {
499        let (store, state, run_id, step_id) = setup().await;
500        let auth = create_user_auth_header(&state, "admin", true).await;
501        let answer = json!({"answers": ["staging"]});
502
503        let (status, body) = call(
504            &state,
505            &auth,
506            run_id,
507            step_id,
508            "input",
509            Some(answer.clone()),
510        )
511        .await;
512
513        assert_eq!(status, StatusCode::OK);
514        assert_eq!(body["data"]["status"], "running");
515        let step = store.get_step(step_id).await.unwrap().unwrap();
516        assert_eq!(step.status.state, StepStatus::Completed);
517        assert_eq!(step.output, Some(answer));
518        assert_eq!(step.approvals.len(), 1);
519        assert_eq!(step.approvals[0].approved_by, "admin");
520    }
521
522    #[tokio::test]
523    async fn human_input_submit_invalid_answer_returns_422() {
524        let (store, state, run_id, step_id) = setup().await;
525        let auth = create_user_auth_header(&state, "admin", true).await;
526
527        for answer in [json!({"answers": 3}), json!({})] {
528            let (status, body) = call(&state, &auth, run_id, step_id, "input", Some(answer)).await;
529
530            assert_eq!(status, StatusCode::UNPROCESSABLE_ENTITY);
531            assert_eq!(body["error"]["code"], "INVALID_INPUT");
532            let errors = body["error"]["details"]["errors"]
533                .as_array()
534                .expect("errors array");
535            assert!(!errors.is_empty());
536        }
537
538        let step = store.get_step(step_id).await.unwrap().unwrap();
539        assert_eq!(step.status.state, StepStatus::AwaitingApproval);
540        let run = store.get_run(run_id).await.unwrap().unwrap();
541        assert_eq!(run.status.state, RunStatus::AwaitingApproval);
542    }
543
544    #[tokio::test]
545    async fn human_input_submit_twice_returns_409() {
546        let (_store, state, run_id, step_id) = setup().await;
547        let auth = create_user_auth_header(&state, "admin", true).await;
548        let answer = json!({"answers": ["yes"]});
549
550        let (first, _) = call(
551            &state,
552            &auth,
553            run_id,
554            step_id,
555            "input",
556            Some(answer.clone()),
557        )
558        .await;
559        assert_eq!(first, StatusCode::OK);
560
561        let (second, body) = call(&state, &auth, run_id, step_id, "input", Some(answer)).await;
562        assert_eq!(second, StatusCode::CONFLICT);
563        assert_eq!(body["error"]["message"], "input already provided");
564    }
565
566    #[tokio::test]
567    async fn human_input_submit_on_an_approval_step_returns_400() {
568        let store = Arc::new(InMemoryStore::new());
569        let run_id = awaiting_run(&store).await;
570        let step_id = awaiting_step(&store, run_id, StepKind::Approval, None).await;
571        let state = test_state(store);
572        let auth = create_user_auth_header(&state, "admin", true).await;
573
574        let answer = json!({"answers": []});
575        let (status, _) = call(&state, &auth, run_id, step_id, "input", Some(answer)).await;
576        assert_eq!(status, StatusCode::BAD_REQUEST);
577    }
578
579    #[tokio::test]
580    async fn human_input_submit_on_a_run_not_awaiting_returns_400() {
581        let (store, state, run_id, step_id) = setup().await;
582        store
583            .update_run_status(run_id, RunStatus::Running)
584            .await
585            .unwrap();
586        let auth = create_user_auth_header(&state, "admin", true).await;
587
588        let answer = json!({"answers": []});
589        let (status, _) = call(&state, &auth, run_id, step_id, "input", Some(answer)).await;
590        assert_eq!(status, StatusCode::BAD_REQUEST);
591    }
592
593    #[tokio::test]
594    async fn human_input_unknown_step_or_step_of_another_run_returns_404() {
595        let (store, state, run_id, step_id) = setup().await;
596        let auth = create_user_auth_header(&state, "admin", true).await;
597        let answer = json!({"answers": []});
598
599        let unknown = Uuid::now_v7();
600        let (status, body) = call(
601            &state,
602            &auth,
603            run_id,
604            unknown,
605            "input",
606            Some(answer.clone()),
607        )
608        .await;
609        assert_eq!(status, StatusCode::NOT_FOUND);
610        assert_eq!(body["error"]["code"], "STEP_NOT_FOUND");
611
612        let other_run = awaiting_run(&store).await;
613        let (status, _) = call(&state, &auth, other_run, step_id, "input", Some(answer)).await;
614        assert_eq!(status, StatusCode::NOT_FOUND);
615    }
616
617    #[tokio::test]
618    async fn human_input_unknown_run_returns_404() {
619        let (_store, state, _run_id, step_id) = setup().await;
620        let auth = create_user_auth_header(&state, "admin", true).await;
621
622        let answer = json!({"answers": []});
623        let (status, body) = call(
624            &state,
625            &auth,
626            Uuid::now_v7(),
627            step_id,
628            "input",
629            Some(answer),
630        )
631        .await;
632        assert_eq!(status, StatusCode::NOT_FOUND);
633        assert_eq!(body["error"]["code"], "RUN_NOT_FOUND");
634    }
635
636    #[tokio::test]
637    async fn human_input_non_admin_non_assignee_is_forbidden() {
638        let store = Arc::new(InMemoryStore::new());
639        let alice = member(&store, "alice").await;
640        let bob = member(&store, "bob").await;
641        let run_id = awaiting_run(&store).await;
642        let assignee = Some(Assignee::user(&alice.username));
643        let step_id = awaiting_step(&store, run_id, StepKind::HumanInput, assignee).await;
644        let state = test_state(store.clone());
645
646        let answer = json!({"answers": ["yes"]});
647        let bob_auth = member_header(&bob, &state);
648        let (status, _) = call(
649            &state,
650            &bob_auth,
651            run_id,
652            step_id,
653            "input",
654            Some(answer.clone()),
655        )
656        .await;
657        assert_eq!(status, StatusCode::FORBIDDEN);
658
659        let alice_auth = member_header(&alice, &state);
660        let (status, _) = call(&state, &alice_auth, run_id, step_id, "input", Some(answer)).await;
661        assert_eq!(status, StatusCode::OK);
662        let step = store.get_step(step_id).await.unwrap().unwrap();
663        assert_eq!(step.approvals[0].user_id, alice.id);
664    }
665
666    #[tokio::test]
667    async fn human_input_reject_marks_the_step_and_resumes_the_run() {
668        let (store, state, run_id, step_id) = setup().await;
669        let auth = create_user_auth_header(&state, "admin", true).await;
670
671        let body = json!({"reason": "out of scope"});
672        let (status, resp) = call(&state, &auth, run_id, step_id, "reject", Some(body)).await;
673
674        assert_eq!(status, StatusCode::OK);
675        assert_eq!(resp["data"]["status"], "running");
676        let step = store.get_step(step_id).await.unwrap().unwrap();
677        assert_eq!(step.status.state, StepStatus::Rejected);
678        assert_eq!(step.error.as_deref(), Some("out of scope"));
679        assert!(step.approval_deadline_at.is_none());
680    }
681
682    /// A run awaiting a human input assigned to a member, on an engine that
683    /// requeues resumed runs for a worker.
684    async fn workers_setup() -> (Arc<InMemoryStore>, AppState, Uuid, Uuid, String) {
685        let store = Arc::new(InMemoryStore::new());
686        let alice = member(&store, "alice").await;
687        let run_id = awaiting_run(&store).await;
688        let assignee = Some(Assignee::user(&alice.username));
689        let step_id = awaiting_step(&store, run_id, StepKind::HumanInput, assignee).await;
690        let provider = Arc::new(ClaudeCodeProvider::new());
691        let engine =
692            Engine::new(store.clone(), provider).with_execution_mode(ExecutionMode::Workers);
693        let jwt_config = Arc::new(JwtConfig {
694            secret: "test-secret".to_string(),
695            access_token_ttl_secs: 900,
696            refresh_token_ttl_secs: 604800,
697            cookie_domain: None,
698            cookie_secure: false,
699        });
700        let (event_sender, _) = broadcast::channel::<Event>(1);
701        let state = AppState::new(
702            store.clone(),
703            Arc::new(engine),
704            jwt_config,
705            "test-worker-token".to_string(),
706            event_sender,
707        );
708        let auth = member_header(&alice, &state);
709        (store, state, run_id, step_id, auth)
710    }
711
712    #[tokio::test]
713    async fn human_input_submit_in_workers_mode_requeues_the_run() {
714        let (store, state, run_id, step_id, auth) = workers_setup().await;
715
716        let answer = json!({"answers": ["ok"]});
717        let (status, body) = call(&state, &auth, run_id, step_id, "input", Some(answer)).await;
718
719        assert_eq!(status, StatusCode::OK);
720        assert_eq!(body["data"]["status"], "pending");
721        let run = store.get_run(run_id).await.unwrap().unwrap();
722        assert_eq!(run.status.state, RunStatus::Pending);
723        let step = store.get_step(step_id).await.unwrap().unwrap();
724        assert_eq!(step.status.state, StepStatus::Completed);
725    }
726
727    #[tokio::test]
728    async fn human_input_reject_in_workers_mode_requeues_the_run() {
729        let (store, state, run_id, step_id, auth) = workers_setup().await;
730
731        let body = json!({"reason": "out of scope"});
732        let (status, resp) = call(&state, &auth, run_id, step_id, "reject", Some(body)).await;
733
734        assert_eq!(status, StatusCode::OK);
735        assert_eq!(resp["data"]["status"], "pending");
736        let run = store.get_run(run_id).await.unwrap().unwrap();
737        assert_eq!(run.status.state, RunStatus::Pending);
738        let step = store.get_step(step_id).await.unwrap().unwrap();
739        assert_eq!(step.status.state, StepStatus::Rejected);
740    }
741
742    #[tokio::test]
743    async fn human_input_reject_without_body_uses_the_default_reason() {
744        let (store, state, run_id, step_id) = setup().await;
745        let auth = create_user_auth_header(&state, "admin", true).await;
746
747        let (status, _) = call(&state, &auth, run_id, step_id, "reject", None).await;
748
749        assert_eq!(status, StatusCode::OK);
750        let step = store.get_step(step_id).await.unwrap().unwrap();
751        assert_eq!(step.error.as_deref(), Some("input rejected by admin"));
752    }
753
754    #[tokio::test]
755    async fn human_input_reject_with_a_blank_reason_uses_the_default_reason() {
756        let (store, state, run_id, step_id) = setup().await;
757        let auth = create_user_auth_header(&state, "admin", true).await;
758
759        let body = json!({"reason": "   "});
760        let (status, _) = call(&state, &auth, run_id, step_id, "reject", Some(body)).await;
761
762        assert_eq!(status, StatusCode::OK);
763        let step = store.get_step(step_id).await.unwrap().unwrap();
764        assert_eq!(step.error.as_deref(), Some("input rejected by admin"));
765    }
766
767    #[tokio::test]
768    async fn human_input_reject_after_submit_returns_409() {
769        let (_store, state, run_id, step_id) = setup().await;
770        let auth = create_user_auth_header(&state, "admin", true).await;
771
772        let answer = json!({"answers": ["yes"]});
773        let (first, _) = call(&state, &auth, run_id, step_id, "input", Some(answer)).await;
774        assert_eq!(first, StatusCode::OK);
775
776        let (second, _) = call(&state, &auth, run_id, step_id, "reject", None).await;
777        assert_eq!(second, StatusCode::CONFLICT);
778    }
779
780    #[tokio::test]
781    async fn human_input_submit_after_reject_returns_409() {
782        let (_store, state, run_id, step_id) = setup().await;
783        let auth = create_user_auth_header(&state, "admin", true).await;
784
785        let (first, _) = call(&state, &auth, run_id, step_id, "reject", None).await;
786        assert_eq!(first, StatusCode::OK);
787
788        let answer = json!({"answers": ["yes"]});
789        let (second, body) = call(&state, &auth, run_id, step_id, "input", Some(answer)).await;
790        assert_eq!(second, StatusCode::CONFLICT);
791        assert_eq!(body["error"]["message"], "input already rejected");
792    }
793
794    #[test]
795    fn human_input_validate_answer_without_a_schema_is_internal() {
796        let err = validate_answer(Some(&json!({"message": "Answer?"})), &json!({}))
797            .expect_err("no schema");
798        assert!(matches!(err, ApiError::Internal(_)), "got {err:?}");
799
800        let err = validate_answer(None, &json!({})).expect_err("no input");
801        assert!(matches!(err, ApiError::Internal(_)), "got {err:?}");
802    }
803
804    #[test]
805    fn human_input_validate_answer_resolves_defs_references() {
806        let schema = input_schema_for::<Nested>();
807        assert!(schema.get("$defs").is_some(), "schema: {schema}");
808        let input = json!({ HUMAN_INPUT_SCHEMA_KEY: schema });
809
810        let valid = validate_answer(Some(&input), &json!({"target": {"env": "prod"}}));
811        assert!(valid.is_ok(), "got {valid:?}");
812
813        let err = validate_answer(Some(&input), &json!({"target": {"env": 1}}))
814            .expect_err("wrong nested type");
815        match err {
816            ApiError::InvalidInput(errors) => assert_eq!(errors.len(), 1, "got {errors:?}"),
817            other => panic!("expected InvalidInput, got {other:?}"),
818        }
819    }
820}