feat: store large paste inputs as artifacts

web/workspace/src/lib/generated/protocol.ts

@@ -133,7 +133,9 @@ message: string,
  */
 timestamp_ms: number, };
 
-export type Segment = { "kind": "text", content: string, } | { "kind": "paste", id: number, chars: number, lines: number, content: string, } | { "kind": "file_ref", path: string, } | { "kind": "flow", selector: string, } | { "kind": "unknown" };
+export type PasteArtifactRef = { artifact_id: string, byte_len: number, char_count: number, line_count: number, sha256: string, source_entry_id: string, };
+
+export type Segment = { "kind": "text", content: string, } | { "kind": "paste", id: number, chars: number, lines: number, content: string, } | { "kind": "paste_artifact", artifact: PasteArtifactRef, } | { "kind": "file_ref", path: string, } | { "kind": "flow", selector: string, } | { "kind": "unknown" };
 
 export type WorkerEvent = { "kind": "turn_ended", worker_name: string, } | { "kind": "errored", worker_name: string, message: string, } | { "kind": "shut_down", worker_name: string, } | { "kind": "scope_sub_delegated",
 /**

web/workspace/src/lib/workspace/console/model.test.ts

@@ -137,6 +137,24 @@ function snapshotEvent(cwd: string, entries: unknown[] = []): Event {
   };
 }
 
+Deno.test("large paste segments project compact artifact metadata", () => {
+  const body = "secret pasted body";
+  const text = segmentsToText([{
+    kind: "paste_artifact",
+    artifact: {
+      artifact_id: "019ca7c8-57b6-7f05-8edf-524147aba7b2",
+      byte_len: 65536,
+      char_count: 65530,
+      line_count: 200,
+      sha256: "a".repeat(64),
+      source_entry_id: "entry-1",
+    },
+  }]);
+  assert(text.includes("019ca7c8-57b6-7f05-8edf-524147aba7b2"), "artifact id is visible");
+  assert(text.includes("65536 bytes"), "bounded size metadata is visible");
+  assert(!text.includes(body), "artifact body is not projected");
+});
+
 Deno.test("console routing projects live errors but not completion replies", () => {
   const errorEvent = {
     event: "error",

web/workspace/src/lib/workspace/console/model.ts

@@ -1069,6 +1069,8 @@ export function segmentsToText(segments: Segment[]): string {
         case "paste":
           return segment.content ||
             `[paste ${segment.id}: ${segment.chars} chars / ${segment.lines} lines]`;
+        case "paste_artifact":
+          return `[Large paste artifact ${segment.artifact.artifact_id}: ${segment.artifact.byte_len} bytes, sha256 ${segment.artifact.sha256}]`;
         case "file_ref":
           return `@file ${segment.path}`;
         case "unknown":