fix: remove workdir management kind

.dockerignore

@@ -1,12 +0,0 @@
-target/
-.git/
-.yoi/
-.direnv/
-result
-result-*
-.env
-.env.*
-**/node_modules/
-web/workspace/build/
-web/workspace/.svelte-kit/
-web/workspace/.vite/

Dockerfile

@@ -1,88 +0,0 @@
-# syntax=docker/dockerfile:1.7
-
-ARG RUST_VERSION=1.95.0
-ARG DEBIAN_VERSION=bookworm
-ARG DENO_VERSION=2.7.14
-ARG NGINX_VERSION=1.27-alpine
-
-FROM rust:${RUST_VERSION}-${DEBIAN_VERSION} AS rust-source
-WORKDIR /src
-
-RUN apt-get update \
-    && apt-get install -y --no-install-recommends \
-        ca-certificates \
-        git \
-        libssl-dev \
-        pkg-config \
-    && rm -rf /var/lib/apt/lists/*
-
-COPY Cargo.toml Cargo.lock ./
-COPY crates ./crates
-COPY resources ./resources
-COPY tests ./tests
-
-FROM rust-source AS runtime-builder
-RUN --mount=type=cache,target=/usr/local/cargo/registry \
-    --mount=type=cache,target=/usr/local/cargo/git \
-    --mount=type=cache,target=/src/target \
-    cargo build --release -p worker-runtime --bin worker-runtime-rest-server --features ws-server,fs-store \
-    && mkdir -p /out \
-    && cp /src/target/release/worker-runtime-rest-server /out/worker-runtime-rest-server
-
-FROM rust-source AS server-builder
-RUN --mount=type=cache,target=/usr/local/cargo/registry \
-    --mount=type=cache,target=/usr/local/cargo/git \
-    --mount=type=cache,target=/src/target \
-    cargo build --release -p yoi-workspace-server --bin yoi-workspace-server \
-    && mkdir -p /out \
-    && cp /src/target/release/yoi-workspace-server /out/yoi-workspace-server
-
-FROM denoland/deno:${DENO_VERSION} AS web-builder
-WORKDIR /src/web/workspace
-COPY web/workspace ./
-RUN deno task build
-
-FROM debian:${DEBIAN_VERSION}-slim AS runtime
-RUN apt-get update \
-    && apt-get install -y --no-install-recommends \
-        bash \
-        ca-certificates \
-        git \
-        libssl3 \
-        openssh-client \
-    && rm -rf /var/lib/apt/lists/* \
-    && useradd --system --uid 10001 --gid root --home-dir /runtime-data --shell /usr/sbin/nologin yoi \
-    && mkdir -p /runtime-data /workdirs \
-    && chown -R yoi:root /runtime-data /workdirs
-
-COPY --from=runtime-builder /out/worker-runtime-rest-server /usr/local/bin/worker-runtime-rest-server
-
-USER yoi
-EXPOSE 38800
-VOLUME ["/runtime-data", "/workdirs"]
-ENTRYPOINT ["worker-runtime-rest-server"]
-CMD ["--bind", "0.0.0.0:38800", "--display-name", "Docker Runtime", "--fs-root", "/runtime-data", "--workdir-target", "/workdirs"]
-
-FROM debian:${DEBIAN_VERSION}-slim AS server
-RUN apt-get update \
-    && apt-get install -y --no-install-recommends \
-        ca-certificates \
-        git \
-        libssl3 \
-    && rm -rf /var/lib/apt/lists/* \
-    && useradd --system --uid 10002 --gid root --home-dir /server-data --shell /usr/sbin/nologin yoi \
-    && mkdir -p /server-data /workspace \
-    && chown -R yoi:root /server-data /workspace
-
-COPY --from=server-builder /out/yoi-workspace-server /usr/local/bin/yoi-workspace-server
-
-USER yoi
-EXPOSE 8787
-VOLUME ["/server-data", "/workspace"]
-ENTRYPOINT ["yoi-workspace-server"]
-CMD ["serve", "--workspace", "/workspace", "--db", "/server-data/workspace.db", "--listen", "0.0.0.0:8787"]
-
-FROM nginx:${NGINX_VERSION} AS webui
-COPY docker/nginx.conf /etc/nginx/conf.d/default.conf
-COPY --from=web-builder /src/web/workspace/build /usr/share/nginx/html
-EXPOSE 80

compose.yaml

@@ -0,0 +1,38 @@
+name: yoi
+
+services:
+  runtime:
+    image: yoi-runtime:latest
+    pull_policy: never
+    restart: unless-stopped
+    expose:
+      - "38800"
+    volumes:
+      - runtime-data:/runtime-data
+      - runtime-workdirs:/workdirs
+
+  server:
+    image: yoi-server:latest
+    pull_policy: never
+    restart: unless-stopped
+    depends_on:
+      - runtime
+    expose:
+      - "8787"
+    volumes:
+      - server-data:/server-data
+      - ./docker/workspace:/workspace:ro
+
+  webui:
+    image: yoi-webui:latest
+    pull_policy: never
+    restart: unless-stopped
+    depends_on:
+      - server
+    ports:
+      - "${YOI_WEBUI_PORT:-8080}:80"
+
+volumes:
+  runtime-data:
+  runtime-workdirs:
+  server-data:

crates/client/src/backend_runtime.rs

@@ -123,8 +123,6 @@ pub struct BackendWorkingDirectorySummary {
     pub cleanliness: Option<String>,
     #[serde(default)]
     pub primary_worker_id: Option<String>,
-    #[serde(default)]
-    pub management_kind: Option<String>,
 }
 
 #[derive(Debug, Clone, Deserialize, PartialEq, Eq)]

crates/worker-runtime/src/catalog.rs

@@ -156,10 +156,6 @@ pub struct WorkingDirectorySummary {
     pub cleanliness: Option<String>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub primary_worker_id: Option<WorkerId>,
-    /// Backend projection metadata. Runtimes leave this absent; Workspace Browser
-    /// APIs fill it with `backend_managed` or `runtime_unmanaged`.
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub management_kind: Option<String>,
 }
 
 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]

crates/worker-runtime/src/working_directory.rs

@@ -48,7 +48,6 @@ impl WorkingDirectory {
             status: self.status.clone(),
             cleanliness: None,
             primary_worker_id: None,
-            management_kind: None,
         }
     }
 }
@@ -222,7 +221,6 @@ impl LocalGitWorktreeMaterializer {
                 status: WorkingDirectoryStatusKind::Corrupted,
                 cleanliness: Some("unknown".to_string()),
                 primary_worker_id: None,
-                management_kind: None,
             },
         }
     }

crates/worker/src/feature/builtin/memory.rs

@@ -34,15 +34,15 @@ impl WorkspaceHttpMemoryBackend {
         }
     }
 
-    pub fn execute_operation(
+    pub async fn execute_operation(
         &self,
         operation: MemoryBackendOperation,
     ) -> Result<MemoryBackendOperationResult, WorkspaceMemoryBackendError> {
-        execute_http_memory_backend(&self.workspace_id, &self.base_url, operation)
+        execute_http_memory_backend(&self.workspace_id, &self.base_url, operation).await
     }
 
-    fn execute(&self, operation: MemoryBackendOperation) -> Result<ToolOutput, ToolError> {
-        match self.execute_operation(operation) {
+    async fn execute(&self, operation: MemoryBackendOperation) -> Result<ToolOutput, ToolError> {
+        match self.execute_operation(operation).await {
             Ok(MemoryBackendOperationResult::ToolOutput(output)) => Ok(tool_output(output)),
             Ok(result) => Err(ToolError::ExecutionFailed(format!(
                 "unexpected memory backend result for model-visible tool: {result:?}"
@@ -70,7 +70,7 @@ pub enum WorkspaceMemoryBackendError {
 }
 
 impl WorkspaceClient {
-    pub fn execute_memory_backend_operation(
+    pub async fn execute_memory_backend_operation(
         &self,
         operation: MemoryBackendOperation,
     ) -> Result<MemoryBackendOperationResult, WorkspaceMemoryBackendError> {
@@ -78,7 +78,7 @@ impl WorkspaceClient {
             WorkspaceClient::Http {
                 workspace_id,
                 base_url,
-            } => execute_http_memory_backend(workspace_id, base_url, operation),
+            } => execute_http_memory_backend(workspace_id, base_url, operation).await,
             WorkspaceClient::Available { kind } => Err(WorkspaceMemoryBackendError::Unavailable {
                 reason: format!(
                     "workspace client kind `{kind}` does not expose the Backend Workspace API"
@@ -93,7 +93,7 @@ impl WorkspaceClient {
     }
 }
 
-fn execute_http_memory_backend(
+async fn execute_http_memory_backend(
     workspace_id: &str,
     base_url: &str,
     operation: MemoryBackendOperation,
@@ -103,12 +103,13 @@ fn execute_http_memory_backend(
         base_url.trim_end_matches('/'),
         workspace_id
     );
-    let response = reqwest::blocking::Client::new()
+    let response = reqwest::Client::new()
         .post(url)
         .json(&operation)
-        .send()?;
+        .send()
+        .await?;
     let status = response.status();
-    let body = response.text()?;
+    let body = response.text().await?;
     if !status.is_success() {
         return Err(WorkspaceMemoryBackendError::Http { status, body });
     }
@@ -220,7 +221,7 @@ impl Tool for WorkspaceHttpMemoryTool {
         _ctx: ToolExecutionContext,
     ) -> Result<ToolOutput, ToolError> {
         let operation = (self.build)(input_json)?;
-        self.backend.execute(operation)
+        self.backend.execute(operation).await
     }
 }
 

crates/worker/src/feature/builtin/session_explore.rs

@@ -433,6 +433,7 @@ impl Tool for StageCandidateTool {
                     source_refs,
                 },
             ))
+            .await
             .map_err(|e| ToolError::ExecutionFailed(format!("write staging failed: {e}")))?;
         let ids = match result {
             MemoryBackendOperationResult::StagingWritten(output) if output.staging_count == 1 => {
@@ -713,7 +714,7 @@ mod tests {
     #[tokio::test]
     async fn stage_candidate_writes_staging_record_with_source_evidence() {
         let (client, request_rx) = stub_memory_backend_response(
-            r#"{"Ok":{"result":{"StagingWritten":{"staging_count":1,"staging_ids":["00000000-0000-7000-8000-000000000001"]}}}}"#,
+            r#"{"status":"ok","result":{"kind":"staging_written","staging_count":1,"staging_ids":["00000000-0000-7000-8000-000000000001"]}}"#,
         );
         let state = SessionExploreState::new(
             SessionReferenceView::new("segment-1", vec![Item::user_message("durable decision")]),
@@ -745,7 +746,7 @@ mod tests {
             vec!["00000000-0000-7000-8000-000000000001".to_string()]
         );
         let request = request_rx.recv().unwrap();
-        assert!(request.contains("\"StageCandidate\""));
+        assert!(request.contains("\"operation\":\"stage_candidate\""));
         assert!(request.contains("\"kind\":\"decision\""));
         assert!(request.contains("\"id\":\"M0000\""));
         assert!(request.contains("\"evidence_id\":\"M0000\""));

crates/worker/src/worker.rs

@@ -897,12 +897,17 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
         self.workspace_context.client()
     }
 
-    fn resident_summary_from_workspace_authority(&self) -> Result<Option<String>, WorkerError> {
-        let result = self.workspace_client().execute_memory_backend_operation(
-            memory::backend::MemoryBackendOperation::ResidentSummary(
-                memory::backend::MemoryResidentSummaryOperation::default(),
-            ),
-        )?;
+    async fn resident_summary_from_workspace_authority(
+        &self,
+    ) -> Result<Option<String>, WorkerError> {
+        let result = self
+            .workspace_client()
+            .execute_memory_backend_operation(
+                memory::backend::MemoryBackendOperation::ResidentSummary(
+                    memory::backend::MemoryResidentSummaryOperation::default(),
+                ),
+            )
+            .await?;
         match result {
             memory::backend::MemoryBackendOperationResult::ToolOutput(output) => Ok(output.content),
             other => Err(WorkerError::FeatureInstall(format!(
@@ -1465,7 +1470,7 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
     /// Subsequent invocations are no-ops: the template field is
     /// consumed with `Option::take()`, so the materialised value
     /// persists across all later turns and compaction.
-    fn ensure_system_prompt_materialized(&mut self) -> Result<(), WorkerError> {
+    async fn ensure_system_prompt_materialized(&mut self) -> Result<(), WorkerError> {
         let Some(template) = self.system_prompt_template.take() else {
             return Ok(());
         };
@@ -1498,7 +1503,7 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
                 .as_ref()
                 .is_some_and(|m| m.inject_summary.unwrap_or(true));
         let resident_summary: Option<String> = if inject_summary {
-            match self.resident_summary_from_workspace_authority() {
+            match self.resident_summary_from_workspace_authority().await {
                 Ok(summary) => summary,
                 Err(error) => {
                     tracing::debug!(%error, "resident memory summary unavailable");
@@ -1579,7 +1584,7 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
     /// first so extract sees a stable history range).
     async fn prepare_for_run(&mut self) -> Result<(), WorkerError> {
         self.ensure_interceptor_installed();
-        self.ensure_system_prompt_materialized()?;
+        self.ensure_system_prompt_materialized().await?;
         self.cleanup_finished_memory_task();
         self.ensure_segment_head()?;
         if self.should_pre_run_compact() {
@@ -2897,7 +2902,8 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
                 None,
                 None,
                 None,
-            );
+            )
+            .await;
             return Ok(());
         };
 
@@ -2926,7 +2932,8 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
                     None,
                     None,
                     None,
-                );
+                )
+                .await;
                 return Ok(());
             }
             let result = self.run_extract_once(&memory_cfg, threshold).await;
@@ -2997,7 +3004,7 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
                 None,
                 None,
                 None,
-            );
+            ).await;
             return Ok(ExtractDecision::Skipped);
         }
 
@@ -3008,18 +3015,23 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
             .history()
             .len();
         if current_history_len <= processed_history_len {
-            audit.emit(
-                self.workspace_client(),
-                event_tx,
-                memory::audit::WorkerLifecycleStatus::Skipped,
-                "no_new_history_items",
-                None,
-                Some(memory::audit::ExtractAudit {
-                    history_range: Some([processed_history_len as u64, current_history_len as u64]),
-                    ..Default::default()
-                }),
-                None,
-            );
+            audit
+                .emit(
+                    self.workspace_client(),
+                    event_tx,
+                    memory::audit::WorkerLifecycleStatus::Skipped,
+                    "no_new_history_items",
+                    None,
+                    Some(memory::audit::ExtractAudit {
+                        history_range: Some([
+                            processed_history_len as u64,
+                            current_history_len as u64,
+                        ]),
+                        ..Default::default()
+                    }),
+                    None,
+                )
+                .await;
             return Ok(ExtractDecision::Skipped);
         }
 
@@ -3031,15 +3043,17 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
             .read_all(self.session_id(), self.segment_id())?
             .len();
         if entries_now == 0 {
-            audit.emit(
-                self.workspace_client(),
-                event_tx,
-                memory::audit::WorkerLifecycleStatus::Skipped,
-                "empty_segment_log",
-                None,
-                None,
-                None,
-            );
+            audit
+                .emit(
+                    self.workspace_client(),
+                    event_tx,
+                    memory::audit::WorkerLifecycleStatus::Skipped,
+                    "empty_segment_log",
+                    None,
+                    None,
+                    None,
+                )
+                .await;
             return Ok(ExtractDecision::Skipped);
         }
         let end_entry = entries_now - 1;
@@ -3048,21 +3062,26 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
             .map(|p| p.processed_through_entry + 1)
             .unwrap_or(0);
         if start_entry > end_entry {
-            audit.emit(
-                self.workspace_client(),
-                event_tx,
-                memory::audit::WorkerLifecycleStatus::Skipped,
-                "no_new_segment_entries",
-                None,
-                Some(memory::audit::ExtractAudit {
-                    session_id: Some(self.session_id().to_string()),
-                    segment_id: Some(self.segment_id().to_string()),
-                    entry_range: Some([start_entry as u64, end_entry as u64]),
-                    history_range: Some([processed_history_len as u64, current_history_len as u64]),
-                    ..Default::default()
-                }),
-                None,
-            );
+            audit
+                .emit(
+                    self.workspace_client(),
+                    event_tx,
+                    memory::audit::WorkerLifecycleStatus::Skipped,
+                    "no_new_segment_entries",
+                    None,
+                    Some(memory::audit::ExtractAudit {
+                        session_id: Some(self.session_id().to_string()),
+                        segment_id: Some(self.segment_id().to_string()),
+                        entry_range: Some([start_entry as u64, end_entry as u64]),
+                        history_range: Some([
+                            processed_history_len as u64,
+                            current_history_len as u64,
+                        ]),
+                        ..Default::default()
+                    }),
+                    None,
+                )
+                .await;
             return Ok(ExtractDecision::Skipped);
         }
 
@@ -3073,15 +3092,19 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
             history_range: Some([processed_history_len as u64, current_history_len as u64]),
             ..Default::default()
         };
-        audit.emit(
-            self.workspace_client(),
-            event_tx,
-            memory::audit::WorkerLifecycleStatus::Started,
-            format!("token_threshold_reached tokens_since={tokens_since} threshold={threshold}"),
-            None,
-            Some(extract_audit_base.clone()),
-            None,
-        );
+        audit
+            .emit(
+                self.workspace_client(),
+                event_tx,
+                memory::audit::WorkerLifecycleStatus::Started,
+                format!(
+                    "token_threshold_reached tokens_since={tokens_since} threshold={threshold}"
+                ),
+                None,
+                Some(extract_audit_base.clone()),
+                None,
+            )
+            .await;
 
         let items_to_extract = self.engine.as_ref().expect("worker present").history()
             [processed_history_len..current_history_len]
@@ -3094,15 +3117,17 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
         let client = match self.build_extractor_client(memory_cfg) {
             Ok(client) => client,
             Err(err) => {
-                audit.emit(
-                    self.workspace_client(),
-                    event_tx,
-                    memory::audit::WorkerLifecycleStatus::Failed,
-                    format!("client_build_failed: {err}"),
-                    None,
-                    Some(extract_audit_base),
-                    None,
-                );
+                audit
+                    .emit(
+                        self.workspace_client(),
+                        event_tx,
+                        memory::audit::WorkerLifecycleStatus::Failed,
+                        format!("client_build_failed: {err}"),
+                        None,
+                        Some(extract_audit_base),
+                        None,
+                    )
+                    .await;
                 return Err(err);
             }
         };
@@ -3110,15 +3135,17 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
         let extract_system_prompt = match self.prompts.memory_extract_system(memory_language) {
             Ok(prompt) => prompt,
             Err(err) => {
-                audit.emit(
-                    self.workspace_client(),
-                    event_tx,
-                    memory::audit::WorkerLifecycleStatus::Failed,
-                    format!("prompt_render_failed: {err}"),
-                    None,
-                    Some(extract_audit_base),
-                    None,
-                );
+                audit
+                    .emit(
+                        self.workspace_client(),
+                        event_tx,
+                        memory::audit::WorkerLifecycleStatus::Failed,
+                        format!("prompt_render_failed: {err}"),
+                        None,
+                        Some(extract_audit_base),
+                        None,
+                    )
+                    .await;
                 return Err(WorkerError::PromptCatalog(err));
             }
         };
@@ -3151,15 +3178,17 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
                 .iter()
                 .any(|installed| installed == name)
         }) {
-            audit.emit(
-                self.workspace_client(),
-                event_tx,
-                memory::audit::WorkerLifecycleStatus::Failed,
-                "session_explore_feature_install_failed",
-                None,
-                Some(extract_audit_base),
-                None,
-            );
+            audit
+                .emit(
+                    self.workspace_client(),
+                    event_tx,
+                    memory::audit::WorkerLifecycleStatus::Failed,
+                    "session_explore_feature_install_failed",
+                    None,
+                    Some(extract_audit_base),
+                    None,
+                )
+                .await;
             return Err(WorkerError::FeatureInstall(
                 "session-explore feature install failed".to_string(),
             ));
@@ -3178,15 +3207,17 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
             Ok(result) => result.usage.as_ref().map(usage_audit_from_event),
             Err(err) => {
                 let usage = err.usage.as_ref().map(usage_audit_from_event);
-                audit.emit(
-                    self.workspace_client(),
-                    event_tx,
-                    lifecycle_status_for_worker_error(&err.source),
-                    format!("worker_failed: {}", err.source),
-                    usage,
-                    Some(extract_audit_base),
-                    None,
-                );
+                audit
+                    .emit(
+                        self.workspace_client(),
+                        event_tx,
+                        lifecycle_status_for_worker_error(&err.source),
+                        format!("worker_failed: {}", err.source),
+                        usage,
+                        Some(extract_audit_base),
+                        None,
+                    )
+                    .await;
                 return Err(WorkerError::Engine(err.source));
             }
         };
@@ -3228,15 +3259,17 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
         } else {
             "completed_staging_written"
         };
-        audit.emit(
-            self.workspace_client(),
-            event_tx,
-            memory::audit::WorkerLifecycleStatus::Completed,
-            reason,
-            usage,
-            Some(extract_audit),
-            None,
-        );
+        audit
+            .emit(
+                self.workspace_client(),
+                event_tx,
+                memory::audit::WorkerLifecycleStatus::Completed,
+                reason,
+                usage,
+                Some(extract_audit),
+                None,
+            )
+            .await;
 
         Ok(ExtractDecision::Completed)
     }
@@ -3274,7 +3307,8 @@ impl<C: LlmClient, St: Store> Worker<C, St> {
             None,
             None,
             None,
-        );
+        )
+        .await;
         if reason == "consolidation_backend_operation_unavailable" {
             tracing::debug!(
                 "workspace memory consolidation skipped: backend operation is unavailable"
@@ -3357,7 +3391,7 @@ impl WorkerAuditBase {
         }
     }
 
-    fn emit(
+    async fn emit(
         &self,
         workspace_client: &WorkspaceClient,
         event_tx: Option<&broadcast::Sender<Event>>,
@@ -3379,15 +3413,15 @@ impl WorkerAuditBase {
             extract,
             consolidation,
         };
-        let _ = workspace_client.execute_memory_backend_operation(
-            memory::backend::MemoryBackendOperation::AppendAudit(
+        let _ = workspace_client
+            .execute_memory_backend_operation(memory::backend::MemoryBackendOperation::AppendAudit(
                 memory::backend::MemoryAppendAuditOperation {
                     event: memory::audit::AuditEvent::new(
                         memory::audit::AuditPayload::WorkerLifecycle(payload),
                     ),
                 },
-            ),
-        );
+            ))
+            .await;
         if should_emit_memory_worker_event(self.worker, status, &reason) {
             emit_memory_worker_event(
                 event_tx,
@@ -5552,7 +5586,7 @@ mod build_summary_prompt_tests {
         )
         .unwrap();
         worker.set_system_prompt_template(template);
-        worker.ensure_system_prompt_materialized().unwrap();
+        worker.ensure_system_prompt_materialized().await.unwrap();
         worker.engine().get_system_prompt().unwrap().to_string()
     }
 
@@ -5583,17 +5617,15 @@ mod build_summary_prompt_tests {
             let mut buffer = [0_u8; 1024];
             let _ = stream.read(&mut buffer).unwrap();
             let body = serde_json::json!({
-                "Ok": {
-                    "result": {
-                        "ToolOutput": {
-                            "summary": if content.is_some() {
-                                "resident memory summary collected"
-                            } else {
-                                "resident memory summary unavailable"
-                            },
-                            "content": content,
-                        }
-                    }
+                "status": "ok",
+                "result": {
+                    "kind": "tool_output",
+                    "summary": if content.is_some() {
+                        "resident memory summary collected"
+                    } else {
+                        "resident memory summary unavailable"
+                    },
+                    "content": content,
                 }
             })
             .to_string();

crates/workspace-server/src/server.rs

@@ -1587,7 +1587,6 @@ fn create_working_directory_for_runtime(
         resolved_commit: None,
         materialization_status: "pending".to_string(),
         cleanliness: "unknown".to_string(),
-        management_kind: "backend_managed".to_string(),
         created_at: now_registry_timestamp(),
         updated_at: now_registry_timestamp(),
     };
@@ -1610,12 +1609,7 @@ fn create_working_directory_for_runtime(
             result.diagnostics,
         ));
     };
-    let record = workdir_record_from_summary(
-        &api,
-        &runtime_id,
-        &working_directory.summary,
-        "backend_managed",
-    );
+    let record = workdir_record_from_summary(&api, &runtime_id, &working_directory.summary);
     api.store.upsert_workdir_registry(&record)?;
     Ok(Json(BrowserWorkingDirectoryDetailResponse {
         workspace_id: api.config.workspace_id.clone(),
@@ -1634,17 +1628,7 @@ fn working_directory_detail_for_runtime(
         .working_directory(runtime_id, working_directory_id)
         .map_err(|err| err.into_error())?;
     if let Some(working_directory) = result.working_directory {
-        let management_kind = api
-            .store
-            .get_workdir_registry(&api.config.workspace_id, working_directory_id)?
-            .map(|record| record.management_kind)
-            .unwrap_or_else(|| "runtime_unmanaged".to_string());
-        let record = workdir_record_from_summary(
-            &api,
-            runtime_id,
-            &working_directory.summary,
-            management_kind.as_str(),
-        );
+        let record = workdir_record_from_summary(&api, runtime_id, &working_directory.summary);
         api.store.upsert_workdir_registry(&record)?;
         return Ok(Json(BrowserWorkingDirectoryDetailResponse {
             workspace_id: api.config.workspace_id.clone(),
@@ -1711,17 +1695,7 @@ fn cleanup_working_directory_for_runtime(
             result.diagnostics,
         ));
     };
-    let management_kind = api
-        .store
-        .get_workdir_registry(&api.config.workspace_id, working_directory_id)?
-        .map(|record| record.management_kind)
-        .unwrap_or_else(|| "runtime_unmanaged".to_string());
-    let record = workdir_record_from_summary(
-        &api,
-        runtime_id,
-        &working_directory.summary,
-        management_kind.as_str(),
-    );
+    let record = workdir_record_from_summary(&api, runtime_id, &working_directory.summary);
     api.store.upsert_workdir_registry(&record)?;
     Ok(Json(BrowserWorkingDirectoryDetailResponse {
         workspace_id: api.config.workspace_id.clone(),
@@ -3010,20 +2984,8 @@ async fn create_workspace_worker(
         WorkerRegistryDisplayNamePolicy::UseProvided,
     )?;
     if let Some(working_directory) = worker.working_directory.as_ref() {
-        let management_kind = api
-            .store
-            .get_workdir_registry(
-                &api.config.workspace_id,
-                &working_directory.working_directory_id,
-            )?
-            .map(|existing| existing.management_kind)
-            .unwrap_or_else(|| "runtime_unmanaged".to_string());
-        let workdir_record = workdir_record_from_summary(
-            &api,
-            worker.runtime_id.as_str(),
-            working_directory,
-            management_kind.as_str(),
-        );
+        let workdir_record =
+            workdir_record_from_summary(&api, worker.runtime_id.as_str(), working_directory);
         api.store.upsert_workdir_registry(&workdir_record)?;
         link_worker_to_workdir(
             &api,
@@ -3047,7 +3009,6 @@ async fn create_workspace_worker(
                         &api,
                         worker.runtime_id.as_str(),
                         &status.summary,
-                        "runtime_unmanaged",
                     );
                     api.store.upsert_workdir_registry(&record)?;
                 }
@@ -4425,7 +4386,7 @@ fn working_directory_summaries(api: &WorkspaceApi) -> ApiResult<Vec<WorkingDirec
     let _ = sync_all_runtime_workdir_observations(api);
     let records = api
         .store
-        .list_managed_workdir_registry(&api.config.workspace_id, 200)?;
+        .list_workdir_registry(&api.config.workspace_id, 200)?;
     Ok(records
         .iter()
         .map(workdir_summary_from_record)
@@ -4619,20 +4580,8 @@ fn sync_worker_observation(
         WorkerRegistryDisplayNamePolicy::PreserveExisting,
     )?;
     if let Some(working_directory) = worker.working_directory.as_ref() {
-        let management_kind = api
-            .store
-            .get_workdir_registry(
-                &api.config.workspace_id,
-                &working_directory.working_directory_id,
-            )?
-            .map(|existing| existing.management_kind)
-            .unwrap_or_else(|| "runtime_unmanaged".to_string());
-        let workdir_record = workdir_record_from_summary(
-            api,
-            worker.runtime_id.as_str(),
-            working_directory,
-            management_kind.as_str(),
-        );
+        let workdir_record =
+            workdir_record_from_summary(api, worker.runtime_id.as_str(), working_directory);
         api.store.upsert_workdir_registry(&workdir_record)?;
         link_worker_to_workdir(api, &record, &working_directory.working_directory_id)?;
     }
@@ -4663,7 +4612,6 @@ fn upsert_pending_backend_workdir(
         resolved_commit: None,
         materialization_status: "pending".to_string(),
         cleanliness: "unknown".to_string(),
-        management_kind: "backend_managed".to_string(),
         created_at: timestamp.clone(),
         updated_at: timestamp,
     })?;
@@ -4692,12 +4640,7 @@ fn sync_runtime_workdir_observations(
             &api.config.workspace_id,
             &status.summary.working_directory_id,
         )?;
-        let management_kind = existing
-            .as_ref()
-            .map(|existing| existing.management_kind.clone())
-            .unwrap_or_else(|| "runtime_unmanaged".to_string());
-        let mut record =
-            workdir_record_from_summary(api, runtime_id, &status.summary, management_kind.as_str());
+        let mut record = workdir_record_from_summary(api, runtime_id, &status.summary);
         preserve_workdir_identity_for_corrupted_summary(&mut record, existing.as_ref());
         api.store.upsert_workdir_registry(&record)?;
     }
@@ -4719,13 +4662,8 @@ fn sync_runtime_workdir_observations(
                             record.workdir_id.as_str(),
                         )?;
                     } else {
-                        let management_kind = record.management_kind.clone();
-                        let mut updated = workdir_record_from_summary(
-                            api,
-                            runtime_id,
-                            &status.summary,
-                            management_kind.as_str(),
-                        );
+                        let mut updated =
+                            workdir_record_from_summary(api, runtime_id, &status.summary);
                         preserve_workdir_identity_for_corrupted_summary(
                             &mut updated,
                             Some(&record),
@@ -4792,17 +4730,7 @@ fn sync_linked_workdir_after_worker_stop(
             .working_directory(runtime_id, link.workdir_id.as_str())
             .map_err(|err| err.into_error())?;
         if let Some(status) = result.working_directory {
-            let management_kind = api
-                .store
-                .get_workdir_registry(&api.config.workspace_id, link.workdir_id.as_str())?
-                .map(|record| record.management_kind)
-                .unwrap_or_else(|| "runtime_unmanaged".to_string());
-            let record = workdir_record_from_summary(
-                api,
-                runtime_id,
-                &status.summary,
-                management_kind.as_str(),
-            );
+            let record = workdir_record_from_summary(api, runtime_id, &status.summary);
             api.store.upsert_workdir_registry(&record)?;
         } else if let Some(mut record) = api
             .store
@@ -4822,7 +4750,6 @@ fn workdir_record_from_summary(
     api: &WorkspaceApi,
     runtime_id: &str,
     summary: &WorkingDirectorySummary,
-    management_kind: &str,
 ) -> WorkdirRegistryRecord {
     let timestamp = now_registry_timestamp();
     WorkdirRegistryRecord {
@@ -4844,7 +4771,6 @@ fn workdir_record_from_summary(
             .cleanliness
             .clone()
             .unwrap_or_else(|| "unknown".to_string()),
-        management_kind: management_kind.to_string(),
         created_at: timestamp.clone(),
         updated_at: timestamp,
     }
@@ -4895,7 +4821,6 @@ fn workdir_summary_from_record(record: &WorkdirRegistryRecord) -> WorkingDirecto
         status,
         cleanliness: Some(record.cleanliness.clone()),
         primary_worker_id: None,
-        management_kind: Some(record.management_kind.clone()),
     }
 }
 
@@ -5517,7 +5442,6 @@ mod tests {
             resolved_commit: Some("abcdef".to_string()),
             materialization_status: "missing".to_string(),
             cleanliness: "clean".to_string(),
-            management_kind: "backend_managed".to_string(),
             created_at: "1".to_string(),
             updated_at: "3".to_string(),
         };
@@ -5538,22 +5462,13 @@ mod tests {
             projected.working_directory.as_ref().unwrap().status,
             WorkingDirectoryStatusKind::NotFound
         );
-        assert_eq!(
-            projected
-                .working_directory
-                .as_ref()
-                .unwrap()
-                .management_kind
-                .as_deref(),
-            Some("backend_managed")
-        );
         let serialized = serde_json::to_string(&projected).unwrap();
         assert!(!serialized.contains("/tmp/"));
         assert!(!serialized.contains("materialized_path"));
     }
 
     #[tokio::test]
-    async fn workspace_managed_workdir_summaries_exclude_runtime_unmanaged_rows() {
+    async fn workspace_workdir_summaries_include_runtime_observed_rows() {
         let dir = tempfile::tempdir().unwrap();
         let api = test_api(dir.path()).await;
         api.store
@@ -5566,7 +5481,6 @@ mod tests {
                 resolved_commit: None,
                 materialization_status: "present".to_string(),
                 cleanliness: "clean".to_string(),
-                management_kind: "backend_managed".to_string(),
                 created_at: "1".to_string(),
                 updated_at: "1".to_string(),
             })
@@ -5581,29 +5495,29 @@ mod tests {
                 resolved_commit: None,
                 materialization_status: "present".to_string(),
                 cleanliness: "unknown".to_string(),
-                management_kind: "runtime_unmanaged".to_string(),
                 created_at: "1".to_string(),
                 updated_at: "2".to_string(),
             })
             .unwrap();
 
-        let managed = working_directory_summaries(&api)
+        let summaries = working_directory_summaries(&api)
             .unwrap_or_else(|err| panic!("working_directory_summaries failed: {}", err.error));
-        assert_eq!(managed.len(), 1);
-        assert_eq!(managed[0].working_directory_id, "managed");
-        assert_eq!(
-            managed[0].management_kind.as_deref(),
-            Some("backend_managed")
-        );
+        let ids = summaries
+            .iter()
+            .map(|summary| summary.working_directory_id.as_str())
+            .collect::<Vec<_>>();
+        assert!(ids.contains(&"managed"));
+        assert!(ids.contains(&"runtime-direct"));
 
         let (runtime_projection, _) =
             runtime_working_directory_summaries(&api, EMBEDDED_WORKER_RUNTIME_ID).unwrap_or_else(
                 |err| panic!("runtime_working_directory_summaries failed: {}", err.error),
             );
-        assert!(runtime_projection.iter().any(|summary| {
-            summary.working_directory_id == "runtime-direct"
-                && summary.management_kind.as_deref() == Some("runtime_unmanaged")
-        }));
+        assert!(
+            runtime_projection
+                .iter()
+                .any(|summary| summary.working_directory_id == "runtime-direct")
+        );
     }
     #[test]
     fn unmanaged_runtime_workdir_projection_is_typed_and_diagnostic_safe() {
@@ -5616,7 +5530,6 @@ mod tests {
             resolved_commit: None,
             materialization_status: "present".to_string(),
             cleanliness: "unknown".to_string(),
-            management_kind: "runtime_unmanaged".to_string(),
             created_at: "1".to_string(),
             updated_at: "2".to_string(),
         };
@@ -5624,10 +5537,6 @@ mod tests {
         let projected = workdir_summary_from_record(&workdir);
 
         assert_eq!(projected.status, WorkingDirectoryStatusKind::Active);
-        assert_eq!(
-            projected.management_kind.as_deref(),
-            Some("runtime_unmanaged")
-        );
         let serialized = serde_json::to_string(&projected).unwrap();
         assert!(!serialized.contains("/tmp/"));
         assert!(!serialized.contains("materialized_path"));
@@ -6227,7 +6136,6 @@ mod tests {
                 workdir_id: workdir_id.to_string(),
                 runtime_id: "runtime-test".to_string(),
                 repository_id: "repo-test".to_string(),
-                management_kind: "backend_managed".to_string(),
                 selector: Some("HEAD".to_string()),
                 resolved_commit: None,
                 materialization_status: status.to_string(),

crates/workspace-server/src/store.rs

@@ -47,6 +47,11 @@ const MIGRATIONS: &[Migration] = &[
         name: "add workdir runtime observation states",
         apply: add_workdir_runtime_observation_states,
     },
+    Migration {
+        version: 7,
+        name: "remove workdir registry management kind",
+        apply: remove_workdir_registry_management_kind_column,
+    },
 ];
 
 struct Migration {
@@ -91,8 +96,6 @@ pub struct WorkdirRegistryRecord {
     pub resolved_commit: Option<String>,
     pub materialization_status: String,
     pub cleanliness: String,
-    /// `backend_managed` rows are authored by this Backend; `runtime_unmanaged` is for diagnostics only.
-    pub management_kind: String,
     pub created_at: String,
     pub updated_at: String,
 }
@@ -152,11 +155,6 @@ pub trait ControlPlaneStore: Send + Sync {
         workspace_id: &str,
         limit: usize,
     ) -> Result<Vec<WorkdirRegistryRecord>>;
-    fn list_managed_workdir_registry(
-        &self,
-        workspace_id: &str,
-        limit: usize,
-    ) -> Result<Vec<WorkdirRegistryRecord>>;
     fn delete_workdir_registry(&self, workspace_id: &str, workdir_id: &str) -> Result<bool>;
 
     fn upsert_worker_workdir_link(&self, record: &WorkerWorkdirLinkRecord) -> Result<()>;
@@ -378,8 +376,8 @@ impl ControlPlaneStore for SqliteWorkspaceStore {
             conn.execute(
                 r#"INSERT INTO workdir_registry (
                     workspace_id, workdir_id, runtime_id, repository_id, selector, resolved_commit,
-                    materialization_status, cleanliness, management_kind, created_at, updated_at
-                ) VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10, ?11)
+                    materialization_status, cleanliness, created_at, updated_at
+                ) VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10)
                 ON CONFLICT(workspace_id, workdir_id) DO UPDATE SET
                     runtime_id = excluded.runtime_id,
                     repository_id = excluded.repository_id,
@@ -387,7 +385,6 @@ impl ControlPlaneStore for SqliteWorkspaceStore {
                     resolved_commit = excluded.resolved_commit,
                     materialization_status = excluded.materialization_status,
                     cleanliness = excluded.cleanliness,
-                    management_kind = excluded.management_kind,
                     updated_at = excluded.updated_at"#,
                 params![
                     record.workspace_id,
@@ -398,7 +395,6 @@ impl ControlPlaneStore for SqliteWorkspaceStore {
                     record.resolved_commit,
                     record.materialization_status,
                     record.cleanliness,
-                    record.management_kind,
                     record.created_at,
                     record.updated_at,
                 ],
@@ -442,22 +438,6 @@ impl ControlPlaneStore for SqliteWorkspaceStore {
         })
     }
 
-    fn list_managed_workdir_registry(
-        &self,
-        workspace_id: &str,
-        limit: usize,
-    ) -> Result<Vec<WorkdirRegistryRecord>> {
-        self.with_conn(|conn| {
-            let sql = workdir_registry_select_sql(
-                "WHERE workspace_id = ?1 AND management_kind = 'backend_managed' ORDER BY updated_at DESC LIMIT ?2",
-            );
-            let mut stmt = conn.prepare(sql.as_str())?;
-            let rows = stmt.query_map(params![workspace_id, limit as i64], read_workdir_registry_record)?;
-            rows.collect::<std::result::Result<Vec<_>, _>>()
-                .map_err(Error::from)
-        })
-    }
-
     fn delete_workdir_registry(&self, workspace_id: &str, workdir_id: &str) -> Result<bool> {
         self.with_conn(|conn| {
             let changed = conn.execute(
@@ -577,7 +557,7 @@ fn read_worker_registry_record(row: &rusqlite::Row<'_>) -> rusqlite::Result<Work
 fn workdir_registry_select_sql(where_clause: &str) -> String {
     format!(
         "SELECT workspace_id, workdir_id, runtime_id, repository_id, selector, resolved_commit, \
-         materialization_status, cleanliness, management_kind, created_at, updated_at \
+         materialization_status, cleanliness, created_at, updated_at \
          FROM workdir_registry {where_clause}"
     )
 }
@@ -594,9 +574,8 @@ fn read_workdir_registry_record(
         resolved_commit: row.get(5)?,
         materialization_status: row.get(6)?,
         cleanliness: row.get(7)?,
-        management_kind: row.get(8)?,
-        created_at: row.get(9)?,
-        updated_at: row.get(10)?,
+        created_at: row.get(8)?,
+        updated_at: row.get(9)?,
     })
 }
 
@@ -629,7 +608,6 @@ CREATE TABLE IF NOT EXISTS workdir_registry (
     resolved_commit TEXT,
     materialization_status TEXT NOT NULL CHECK (materialization_status IN ('pending', 'present', 'not_found', 'corrupted', 'unknown', 'failed')),
     cleanliness TEXT NOT NULL CHECK (cleanliness IN ('clean', 'dirty', 'unknown')),
-    management_kind TEXT NOT NULL CHECK (management_kind IN ('backend_managed', 'runtime_unmanaged')),
     created_at TEXT NOT NULL,
     updated_at TEXT NOT NULL,
     PRIMARY KEY (workspace_id, workdir_id),
@@ -948,7 +926,6 @@ fn add_workdir_runtime_observation_states(conn: &Connection) -> Result<()> {
             resolved_commit TEXT,
             materialization_status TEXT NOT NULL CHECK (materialization_status IN ('pending', 'present', 'not_found', 'corrupted', 'unknown', 'failed')),
             cleanliness TEXT NOT NULL CHECK (cleanliness IN ('clean', 'dirty', 'unknown')),
-            management_kind TEXT NOT NULL CHECK (management_kind IN ('backend_managed', 'runtime_unmanaged')),
             created_at TEXT NOT NULL,
             updated_at TEXT NOT NULL,
             PRIMARY KEY (workspace_id, workdir_id),
@@ -956,7 +933,7 @@ fn add_workdir_runtime_observation_states(conn: &Connection) -> Result<()> {
         );
         INSERT OR REPLACE INTO workdir_registry_v6 (
             workspace_id, workdir_id, runtime_id, repository_id, selector, resolved_commit,
-            materialization_status, cleanliness, management_kind, created_at, updated_at
+            materialization_status, cleanliness, created_at, updated_at
         )
         SELECT
             workspace_id, workdir_id, runtime_id, repository_id, selector, resolved_commit,
@@ -965,7 +942,7 @@ fn add_workdir_runtime_observation_states(conn: &Connection) -> Result<()> {
                 WHEN 'removed' THEN 'not_found'
                 ELSE materialization_status
             END,
-            cleanliness, management_kind, created_at, updated_at
+            cleanliness, created_at, updated_at
         FROM workdir_registry;
         DROP TABLE workdir_registry;
         ALTER TABLE workdir_registry_v6 RENAME TO workdir_registry;
@@ -976,6 +953,48 @@ fn add_workdir_runtime_observation_states(conn: &Connection) -> Result<()> {
     Ok(())
 }
 
+fn remove_workdir_registry_management_kind_column(conn: &Connection) -> Result<()> {
+    if !table_exists(conn, "workdir_registry")?
+        || !table_columns(conn, "workdir_registry")?
+            .iter()
+            .any(|column| column == "management_kind")
+    {
+        return Ok(());
+    }
+
+    conn.execute_batch(
+        r#"
+        CREATE TABLE workdir_registry_v7 (
+            workspace_id TEXT NOT NULL,
+            workdir_id TEXT NOT NULL,
+            runtime_id TEXT NOT NULL,
+            repository_id TEXT NOT NULL,
+            selector TEXT,
+            resolved_commit TEXT,
+            materialization_status TEXT NOT NULL CHECK (materialization_status IN ('pending', 'present', 'not_found', 'corrupted', 'unknown', 'failed')),
+            cleanliness TEXT NOT NULL CHECK (cleanliness IN ('clean', 'dirty', 'unknown')),
+            created_at TEXT NOT NULL,
+            updated_at TEXT NOT NULL,
+            PRIMARY KEY (workspace_id, workdir_id),
+            FOREIGN KEY (workspace_id) REFERENCES workspaces(workspace_id) ON DELETE CASCADE
+        );
+        INSERT OR REPLACE INTO workdir_registry_v7 (
+            workspace_id, workdir_id, runtime_id, repository_id, selector, resolved_commit,
+            materialization_status, cleanliness, created_at, updated_at
+        )
+        SELECT
+            workspace_id, workdir_id, runtime_id, repository_id, selector, resolved_commit,
+            materialization_status, cleanliness, created_at, updated_at
+        FROM workdir_registry;
+        DROP TABLE workdir_registry;
+        ALTER TABLE workdir_registry_v7 RENAME TO workdir_registry;
+        CREATE INDEX IF NOT EXISTS idx_workdir_registry_workspace_updated
+            ON workdir_registry(workspace_id, updated_at DESC);
+        "#,
+    )?;
+    Ok(())
+}
+
 fn create_schema_v0_tables(conn: &Connection) -> Result<()> {
     conn.execute_batch(
         r#"
@@ -1199,7 +1218,7 @@ mod tests {
         let db = dir.path().join("control-plane.sqlite");
         let store = SqliteWorkspaceStore::open(&db).unwrap();
 
-        assert_eq!(store.schema_version().await.unwrap(), 6);
+        assert_eq!(store.schema_version().await.unwrap(), 7);
 
         let record = WorkspaceRecord {
             workspace_id: "local-dev".to_string(),
@@ -1211,7 +1230,7 @@ mod tests {
         store.upsert_workspace(&record).await.unwrap();
 
         let reopened = SqliteWorkspaceStore::open(&db).unwrap();
-        assert_eq!(reopened.schema_version().await.unwrap(), 6);
+        assert_eq!(reopened.schema_version().await.unwrap(), 7);
         assert_eq!(
             reopened.get_workspace("local-dev").await.unwrap(),
             Some(record)
@@ -1420,7 +1439,7 @@ mod tests {
         .unwrap();
 
         let store = SqliteWorkspaceStore::from_connection(conn).unwrap();
-        assert_eq!(store.schema_version().await.unwrap(), 6);
+        assert_eq!(store.schema_version().await.unwrap(), 7);
 
         store
             .with_conn(|conn| {
@@ -1550,7 +1569,6 @@ mod tests {
             resolved_commit: Some("abcdef".to_string()),
             materialization_status: "not_found".to_string(),
             cleanliness: "clean".to_string(),
-            management_kind: "backend_managed".to_string(),
             created_at: "2".to_string(),
             updated_at: "3".to_string(),
         };
@@ -1564,7 +1582,6 @@ mod tests {
             resolved_commit: Some("123456".to_string()),
             materialization_status: "present".to_string(),
             cleanliness: "unknown".to_string(),
-            management_kind: "runtime_unmanaged".to_string(),
             created_at: "3".to_string(),
             updated_at: "4".to_string(),
         };
@@ -1597,12 +1614,6 @@ mod tests {
             store.list_workdir_registry("local-dev", 10).unwrap(),
             vec![unmanaged_workdir.clone(), workdir.clone()]
         );
-        assert_eq!(
-            store
-                .list_managed_workdir_registry("local-dev", 10)
-                .unwrap(),
-            vec![workdir]
-        );
         assert_eq!(
             store
                 .list_worker_workdir_links("local-dev", "embedded", 1)

docker.nix

@@ -0,0 +1,304 @@
+{
+  pkgs,
+  yoi ? pkgs.callPackage ./package.nix { },
+}:
+
+let
+  lib = pkgs.lib;
+
+  imageTag = "latest";
+
+  mkRoot =
+    name: paths: _extraPathsToLink:
+    pkgs.symlinkJoin {
+      inherit name paths;
+    };
+
+  runtimeDirs = pkgs.runCommand "yoi-runtime-dirs" { } ''
+    mkdir -p "$out/runtime-data" "$out/workdirs"
+    chmod 0777 "$out/runtime-data" "$out/workdirs"
+  '';
+
+  serverDirs = pkgs.runCommand "yoi-server-dirs" { } ''
+    mkdir -p "$out/server-data" "$out/workspace"
+    chmod 0777 "$out/server-data" "$out/workspace"
+  '';
+
+  runtimeRoot =
+    mkRoot "yoi-runtime-root"
+      [
+        yoi
+        pkgs.bashInteractive
+        pkgs.coreutils
+        pkgs.cacert
+        pkgs.git
+        pkgs.openssh
+        runtimeDirs
+      ]
+      [
+        "/runtime-data"
+        "/workdirs"
+      ];
+
+  serverRoot =
+    mkRoot "yoi-server-root"
+      [
+        yoi
+        pkgs.coreutils
+        pkgs.cacert
+        pkgs.git
+        serverDirs
+      ]
+      [
+        "/server-data"
+        "/workspace"
+      ];
+
+  webuiSrc = lib.cleanSourceWith {
+    src = ./web/workspace;
+    filter =
+      path: type:
+      let
+        baseName = baseNameOf path;
+      in
+      !(baseName == "node_modules" || baseName == ".svelte-kit" || baseName == "build");
+  };
+
+  webuiDeps = pkgs.stdenvNoCC.mkDerivation {
+    pname = "yoi-webui-deno-deps";
+    version = "0.1.0";
+
+    src = webuiSrc;
+    nativeBuildInputs = [ pkgs.deno ];
+
+    outputHashAlgo = "sha256";
+    outputHashMode = "recursive";
+    outputHash = "sha256-q+otr+ANR9gB8bRZKFZDfNpM6rnQ4B4wNd/s1QNeSA4=";
+
+    buildPhase = ''
+      runHook preBuild
+
+      export HOME="$TMPDIR/home"
+      export DENO_DIR="$TMPDIR/deno-cache"
+      mkdir -p "$HOME" "$DENO_DIR"
+      deno task build
+
+      runHook postBuild
+    '';
+
+    installPhase = ''
+      runHook preInstall
+
+      mkdir -p "$out"
+      cp -R "$DENO_DIR" "$out/deno-cache"
+      if [ -d node_modules ]; then
+        cp -R node_modules "$out/node_modules"
+      fi
+
+      runHook postInstall
+    '';
+  };
+
+  webuiStatic = pkgs.stdenvNoCC.mkDerivation {
+    pname = "yoi-webui-static";
+    version = "0.1.0";
+
+    src = webuiSrc;
+
+    nativeBuildInputs = [ pkgs.deno ];
+
+    buildPhase = ''
+      runHook preBuild
+
+      export HOME="$TMPDIR/home"
+      export DENO_DIR="$TMPDIR/deno-cache"
+      mkdir -p "$HOME"
+      cp -R ${webuiDeps}/deno-cache "$DENO_DIR"
+      chmod -R u+w "$DENO_DIR"
+      if [ -d ${webuiDeps}/node_modules ]; then
+        cp -R ${webuiDeps}/node_modules node_modules
+        chmod -R u+w node_modules
+      fi
+      deno task build
+
+      runHook postBuild
+    '';
+
+    installPhase = ''
+      runHook preInstall
+
+      mkdir -p "$out"
+      cp -R build/. "$out/"
+
+      runHook postInstall
+    '';
+  };
+
+  webuiRoot = pkgs.runCommand "yoi-webui-root" { } ''
+    mkdir -p "$out/usr/share/yoi-webui"
+    cp -R ${webuiStatic}/. "$out/usr/share/yoi-webui/"
+  '';
+
+  webuiDirs = pkgs.runCommand "yoi-webui-dirs" { } ''
+    mkdir -p "$out/etc" "$out/tmp" "$out/var/cache/nginx" "$out/var/log/nginx"
+    touch "$out/tmp/.keep" "$out/var/cache/nginx/.keep" "$out/var/log/nginx/.keep"
+    cat > "$out/etc/passwd" <<'EOF'
+    root:x:0:0:root:/root:/bin/sh
+    nobody:x:65534:65534:nobody:/var/empty:/sbin/nologin
+    EOF
+    cat > "$out/etc/group" <<'EOF'
+    root:x:0:
+    nobody:x:65534:
+    nogroup:x:65534:
+    EOF
+  '';
+
+  nginxConf = pkgs.writeText "yoi-webui-nginx.conf" ''
+    pid /tmp/nginx.pid;
+    error_log /dev/stderr info;
+
+    events {}
+
+    http {
+      include ${pkgs.nginx}/conf/mime.types;
+      access_log /dev/stdout;
+
+      map $http_upgrade $connection_upgrade {
+        default upgrade;
+        ''' close;
+      }
+
+      server {
+        listen 80;
+        server_name _;
+        root /usr/share/yoi-webui;
+        index index.html;
+
+        resolver 127.0.0.11 valid=30s ipv6=off;
+        set $yoi_backend server:8787;
+
+        location = /api {
+          proxy_pass http://$yoi_backend;
+          proxy_http_version 1.1;
+          proxy_set_header Host $host;
+          proxy_set_header X-Real-IP $remote_addr;
+          proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+          proxy_set_header X-Forwarded-Proto $scheme;
+          proxy_set_header Upgrade $http_upgrade;
+          proxy_set_header Connection $connection_upgrade;
+        }
+
+        location /api/ {
+          proxy_pass http://$yoi_backend;
+          proxy_http_version 1.1;
+          proxy_set_header Host $host;
+          proxy_set_header X-Real-IP $remote_addr;
+          proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+          proxy_set_header X-Forwarded-Proto $scheme;
+          proxy_set_header Upgrade $http_upgrade;
+          proxy_set_header Connection $connection_upgrade;
+        }
+
+        location / {
+          try_files $uri $uri/ /index.html;
+        }
+      }
+    }
+  '';
+
+  webuiImageRoot =
+    mkRoot "yoi-webui-root-env"
+      [
+        pkgs.nginx
+        pkgs.cacert
+        webuiRoot
+        webuiDirs
+      ]
+      [
+        "/usr/share/yoi-webui"
+        "/var"
+        "/tmp"
+      ];
+
+  commonEnv = [
+    "SSL_CERT_FILE=/etc/ssl/certs/ca-bundle.crt"
+    "GIT_SSL_CAINFO=/etc/ssl/certs/ca-bundle.crt"
+  ];
+in
+{
+  runtime = pkgs.dockerTools.buildImage {
+    name = "yoi-runtime";
+    tag = imageTag;
+    copyToRoot = runtimeRoot;
+    config = {
+      Entrypoint = [ "/bin/worker-runtime-rest-server" ];
+      Cmd = [
+        "--bind"
+        "0.0.0.0:38800"
+        "--display-name"
+        "Docker Runtime"
+        "--fs-root"
+        "/runtime-data"
+        "--workdir-target"
+        "/workdirs"
+      ];
+      Env = [ "PATH=/bin" ] ++ commonEnv;
+      ExposedPorts = {
+        "38800/tcp" = { };
+      };
+      Volumes = {
+        "/runtime-data" = { };
+        "/workdirs" = { };
+      };
+      WorkingDir = "/runtime-data";
+    };
+  };
+
+  server = pkgs.dockerTools.buildImage {
+    name = "yoi-server";
+    tag = imageTag;
+    copyToRoot = serverRoot;
+    config = {
+      Entrypoint = [ "/bin/yoi-workspace-server" ];
+      Cmd = [
+        "serve"
+        "--workspace"
+        "/workspace"
+        "--db"
+        "/server-data/workspace.db"
+        "--listen"
+        "0.0.0.0:8787"
+      ];
+      Env = [ "PATH=/bin" ] ++ commonEnv;
+      ExposedPorts = {
+        "8787/tcp" = { };
+      };
+      Volumes = {
+        "/server-data" = { };
+        "/workspace" = { };
+      };
+      WorkingDir = "/server-data";
+    };
+  };
+
+  webui = pkgs.dockerTools.buildImage {
+    name = "yoi-webui";
+    tag = imageTag;
+    copyToRoot = webuiImageRoot;
+    config = {
+      Entrypoint = [
+        "/bin/nginx"
+        "-c"
+        "${nginxConf}"
+        "-g"
+        "daemon off;"
+      ];
+      Env = [ "PATH=/bin" ] ++ commonEnv;
+      ExposedPorts = {
+        "80/tcp" = { };
+      };
+    };
+  };
+
+  webui-static = webuiStatic;
+}

docker/nginx.conf

@@ -1,41 +0,0 @@
-map $http_upgrade $connection_upgrade {
-    default upgrade;
-    '' close;
-}
-
-server {
-    listen 80;
-    server_name _;
-
-    root /usr/share/nginx/html;
-    index index.html;
-
-    resolver 127.0.0.11 valid=30s ipv6=off;
-    set $yoi_backend server:8787;
-
-    location = /api {
-        proxy_pass http://$yoi_backend;
-        proxy_http_version 1.1;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto $scheme;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection $connection_upgrade;
-    }
-
-    location /api/ {
-        proxy_pass http://$yoi_backend;
-        proxy_http_version 1.1;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto $scheme;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection $connection_upgrade;
-    }
-
-    location / {
-        try_files $uri $uri/ /index.html;
-    }
-}

docker/workspace/.yoi/workspace-backend.local.toml

@@ -0,0 +1,16 @@
+[server]
+listen = "0.0.0.0:8787"
+frontend_url = "http://127.0.0.1:8080"
+
+[data]
+root = "/server-data"
+workspace_database_path = "/server-data/workspace.db"
+embedded_runtime_store_root = "/server-data/embedded-runtime"
+
+[limits]
+max_records = 200
+
+[[runtimes.remote]]
+id = "docker-runtime"
+endpoint = "http://runtime:38800"
+display_name = "Docker Runtime"

docker/workspace/.yoi/workspace.toml

@@ -0,0 +1,3 @@
+workspace_id = "019a1e4a-7c0d-7000-9000-000000000001"
+created_at = "2026-07-21T00:00:00Z"
+display_name = "Docker Workspace"

flake.nix

@@ -17,6 +17,13 @@
       let
         pkgs = nixpkgs.legacyPackages.${system};
         yoi = pkgs.callPackage ./package.nix { };
+        dockerImages =
+          if pkgs.stdenv.isLinux then
+            import ./docker.nix {
+              inherit pkgs yoi;
+            }
+          else
+            { };
         mkApp = name: description: {
           type = "app";
           program = "${yoi}/bin/${name}";
@@ -24,8 +31,16 @@
         };
       in
       {
-        packages.default = yoi;
-        packages.yoi = yoi;
+        packages = {
+          default = yoi;
+          yoi = yoi;
+        }
+        // pkgs.lib.optionalAttrs pkgs.stdenv.isLinux {
+          docker-runtime = dockerImages.runtime;
+          docker-server = dockerImages.server;
+          docker-webui = dockerImages.webui;
+          webui-static = dockerImages.webui-static;
+        };
 
         apps.default = mkApp "yoi" "Run the Yoi terminal UI";
         apps.yoi = mkApp "yoi" "Run the Yoi terminal UI";

package.nix

@@ -43,7 +43,7 @@ rustPlatform.buildRustPackage rec {
     filter = sourceFilter;
   };
 
-  cargoHash = "sha256-MUEySmRu5Te8+GCwlt3qk7jxcumYIMvnuvj64o2XuDw=";
+  cargoHash = "sha256-iZaTREhL/aLixn67A1+Gi9opqh2j/yyFuGMyBBvuATM=";
 
   depsExtraArgs = {
     # Older fetchCargoVendor utilities used crates.io's API download endpoint,
@@ -93,6 +93,7 @@ rustPlatform.buildRustPackage rec {
 
   postBuild = ''
     cargo build --offline --profile release -p yoi-workspace-server --bin yoi-workspace-server
+    cargo build --offline --profile release -p worker-runtime --bin worker-runtime-rest-server --features ws-server,fs-store
   '';
 
   # The package check is a credential-free install smoke check below. Running the
@@ -105,13 +106,15 @@ rustPlatform.buildRustPackage rec {
 
     yoi_bin=$(find . -type f -name yoi | head -n 1)
     workspace_server_bin=$(find . -type f -name yoi-workspace-server | head -n 1)
-    if [ -z "$yoi_bin" ] || [ -z "$workspace_server_bin" ]; then
+    worker_runtime_bin=$(find . -type f -name worker-runtime-rest-server | head -n 1)
+    if [ -z "$yoi_bin" ] || [ -z "$workspace_server_bin" ] || [ -z "$worker_runtime_bin" ]; then
       echo "built binaries not found" >&2
-      find . -maxdepth 6 -type f \( -name yoi -o -name yoi-workspace-server \) -print >&2
+      find . -maxdepth 6 -type f \( -name yoi -o -name yoi-workspace-server -o -name worker-runtime-rest-server \) -print >&2
       exit 1
     fi
     install -Dm755 "$yoi_bin" "$out/bin/yoi"
     install -Dm755 "$workspace_server_bin" "$out/bin/yoi-workspace-server"
+    install -Dm755 "$worker_runtime_bin" "$out/bin/worker-runtime-rest-server"
 
     runHook postInstall
   '';
@@ -123,7 +126,9 @@ rustPlatform.buildRustPackage rec {
     "$out/bin/yoi" worker --help >/dev/null
     test -x "$out/bin/yoi"
     test -x "$out/bin/yoi-workspace-server"
+    test -x "$out/bin/worker-runtime-rest-server"
     "$out/bin/yoi-workspace-server" --help >/dev/null
+    "$out/bin/worker-runtime-rest-server" --help >/dev/null
     test ! -e "$out/bin/yoi-pod"
     test ! -e "$out/share/yoi/resources"
     if "$out/bin/yoi" --session not-a-uuid 2>yoi.err; then

web/workspace/src/lib/workspace/sidebar/types.ts

@@ -125,7 +125,6 @@ export type WorkingDirectorySummary = {
   status: string;
   cleanliness?: string | null;
   primary_worker_id?: number | null;
-  management_kind?: "backend_managed" | "runtime_unmanaged" | string | null;
   cleanup_target: {
     kind: string;
     working_directory_id: string;