story-kit: merge 224_story_expand_work_item_to_full_screen_detail_view

server/src/http/agents.rs

@@ -1,5 +1,5 @@
 use crate::config::ProjectConfig;
-use crate::http::context::{AppContext, OpenApiResult, bad_request};
+use crate::http::context::{AppContext, OpenApiResult, bad_request, not_found};
 use crate::worktree;
 use poem_openapi::{Object, OpenApi, Tags, param::Path, payload::Json};
 use serde::Serialize;
@@ -61,6 +61,14 @@ struct WorktreeListEntry {
     path: String,
 }
 
+/// Response for the work item content endpoint.
+#[derive(Object, Serialize)]
+struct WorkItemContentResponse {
+    content: String,
+    stage: String,
+    name: Option<String>,
+}
+
 /// Returns true if the story file exists in `work/5_done/` or `work/6_archived/`.
 ///
 /// Used to exclude agents for already-archived stories from the `list_agents`
@@ -272,6 +280,52 @@ impl AgentsApi {
         ))
     }
 
+    /// Get the markdown content of a work item by its story_id.
+    ///
+    /// Searches all active pipeline stages for the file and returns its content
+    /// along with the stage it was found in.
+    #[oai(path = "/work-items/:story_id", method = "get")]
+    async fn get_work_item_content(
+        &self,
+        story_id: Path<String>,
+    ) -> OpenApiResult<Json<WorkItemContentResponse>> {
+        let project_root = self
+            .ctx
+            .agents
+            .get_project_root(&self.ctx.state)
+            .map_err(bad_request)?;
+
+        let stages = [
+            ("1_upcoming", "upcoming"),
+            ("2_current", "current"),
+            ("3_qa", "qa"),
+            ("4_merge", "merge"),
+            ("5_done", "done"),
+            ("6_archived", "archived"),
+        ];
+
+        let work_dir = project_root.join(".story_kit").join("work");
+        let filename = format!("{}.md", story_id.0);
+
+        for (stage_dir, stage_name) in &stages {
+            let file_path = work_dir.join(stage_dir).join(&filename);
+            if file_path.exists() {
+                let content = std::fs::read_to_string(&file_path)
+                    .map_err(|e| bad_request(format!("Failed to read work item: {e}")))?;
+                let name = crate::io::story_metadata::parse_front_matter(&content)
+                    .ok()
+                    .and_then(|m| m.name);
+                return Ok(Json(WorkItemContentResponse {
+                    content,
+                    stage: stage_name.to_string(),
+                    name,
+                }));
+            }
+        }
+
+        Err(not_found(format!("Work item not found: {}", story_id.0)))
+    }
+
     /// Remove a git worktree and its feature branch for a story.
     #[oai(path = "/agents/worktrees/:story_id", method = "delete")]
     async fn remove_worktree(&self, story_id: Path<String>) -> OpenApiResult<Json<bool>> {
@@ -627,6 +681,86 @@ allowed_tools = ["Read", "Bash"]
         assert!(result.is_err());
     }
 
+    // --- get_work_item_content tests ---
+
+    fn make_stage_dir(root: &path::Path, stage: &str) {
+        std::fs::create_dir_all(root.join(".story_kit").join("work").join(stage)).unwrap();
+    }
+
+    #[tokio::test]
+    async fn get_work_item_content_returns_content_from_upcoming() {
+        let tmp = TempDir::new().unwrap();
+        let root = tmp.path();
+        make_stage_dir(root, "1_upcoming");
+        std::fs::write(
+            root.join(".story_kit/work/1_upcoming/42_story_foo.md"),
+            "---\nname: \"Foo Story\"\n---\n\n# Story 42: Foo Story\n\nSome content.",
+        )
+        .unwrap();
+        let ctx = AppContext::new_test(root.to_path_buf());
+        let api = AgentsApi {
+            ctx: Arc::new(ctx),
+        };
+        let result = api
+            .get_work_item_content(Path("42_story_foo".to_string()))
+            .await
+            .unwrap()
+            .0;
+        assert!(result.content.contains("Some content."));
+        assert_eq!(result.stage, "upcoming");
+        assert_eq!(result.name, Some("Foo Story".to_string()));
+    }
+
+    #[tokio::test]
+    async fn get_work_item_content_returns_content_from_current() {
+        let tmp = TempDir::new().unwrap();
+        let root = tmp.path();
+        make_stage_dir(root, "2_current");
+        std::fs::write(
+            root.join(".story_kit/work/2_current/43_story_bar.md"),
+            "---\nname: \"Bar Story\"\n---\n\nBar content.",
+        )
+        .unwrap();
+        let ctx = AppContext::new_test(root.to_path_buf());
+        let api = AgentsApi {
+            ctx: Arc::new(ctx),
+        };
+        let result = api
+            .get_work_item_content(Path("43_story_bar".to_string()))
+            .await
+            .unwrap()
+            .0;
+        assert_eq!(result.stage, "current");
+        assert_eq!(result.name, Some("Bar Story".to_string()));
+    }
+
+    #[tokio::test]
+    async fn get_work_item_content_returns_not_found_when_absent() {
+        let tmp = TempDir::new().unwrap();
+        let ctx = AppContext::new_test(tmp.path().to_path_buf());
+        let api = AgentsApi {
+            ctx: Arc::new(ctx),
+        };
+        let result = api
+            .get_work_item_content(Path("99_story_nonexistent".to_string()))
+            .await;
+        assert!(result.is_err());
+    }
+
+    #[tokio::test]
+    async fn get_work_item_content_returns_error_when_no_project_root() {
+        let tmp = TempDir::new().unwrap();
+        let ctx = AppContext::new_test(tmp.path().to_path_buf());
+        *ctx.state.project_root.lock().unwrap() = None;
+        let api = AgentsApi {
+            ctx: Arc::new(ctx),
+        };
+        let result = api
+            .get_work_item_content(Path("42_story_foo".to_string()))
+            .await;
+        assert!(result.is_err());
+    }
+
     // --- create_worktree error path ---
 
     #[tokio::test]