F12: inline editable proposed-change diff in the Markdown editor + Accept/Reject control parity (#64) (#66)

src/trackChangesPreview.ts

@@ -13,7 +13,7 @@ import * as vscode from "vscode";
 import type { DiffViewController } from "./diffViewController";
 import type { AttributionController } from "./attributionController";
 import type { ProposalController } from "./proposalController";
-import { renderReview, renderPlain, diffBlocks, diffToBlockHunks, type BlockOp } from "./trackChangesModel";
+import { renderReview, renderPlain, diffBlocks, diffToBlockHunks, landedTextOf, type BlockOp } from "./trackChangesModel";
 import { buildFingerprint } from "./anchorer";
 import { isAuthorable } from "./workspacePath";
 import type { EditTurnResult, RunEditTurnOptions } from "./liveTurn";
@@ -44,7 +44,8 @@ type ToolbarMsg =
   | { type: "pinBaseline" }
   | { type: "askClaude"; scope: "document" }
   | { type: "askClaude"; scope: "selection"; start: number; end: number }
-  | { type: "acceptAll" };
+  | { type: "acceptAll" }
+  | { type: "rejectAll" };
 
 export class TrackChangesPreviewController implements vscode.Disposable {
   private readonly disposables: vscode.Disposable[] = [];
@@ -196,8 +197,7 @@ export class TrackChangesPreviewController implements vscode.Disposable {
         .acceptById(this.proposals.keyFor(document), m.proposalId)
         .then(() => this.refresh(document));
     } else if (m?.type === "reject" && m.proposalId) {
-      this.proposals.rejectById(this.proposals.keyFor(document), m.proposalId);
-      this.refresh(document);
+      void this.proposals.rejectByIdInPlace(this.proposals.keyFor(document), m.proposalId).then(() => this.refresh(document));
     } else if (m?.type === "pinBaseline") {
       // F6 baseline store re-render arrives via the onDidChangeBaseline subscription.
       this.diffView.pin(document);
@@ -208,6 +208,8 @@ export class TrackChangesPreviewController implements vscode.Disposable {
     } else if (m?.type === "acceptAll") {
       // #46 (INV-42): batch-accept every pending proposal on this doc, then report.
       void this.acceptAll(document);
+    } else if (m?.type === "rejectAll") {
+      void this.rejectAll(document);
     }
   }
 
@@ -228,6 +230,17 @@ export class TrackChangesPreviewController implements vscode.Disposable {
     );
   }
 
+  /** #64 (INV-53): revert every pending proposal on the document; report the count. */
+  async rejectAll(document: vscode.TextDocument): Promise<void> {
+    const { reverted } = await this.proposals.rejectAll(document);
+    this.refresh(document);
+    if (reverted > 0) {
+      void vscode.window.showInformationMessage(
+        `Cowriting: rejected ${reverted} proposal${reverted === 1 ? "" : "s"}.`,
+      );
+    }
+  }
+
   /**
    * F11 (PUC-3/4): prompt host-side for the instruction (keeps the LLM/secret
    * surface out of the sealed webview, INV-8/35), run the edit turn, and surface
@@ -359,9 +372,13 @@ export class TrackChangesPreviewController implements vscode.Disposable {
     }
     const spans = this.attribution.spansFor(document);
     const proposals = this.proposals.listProposals(document);
+    // F12/#64 (INV-50): count added/removed against the LANDED text (current minus
+    // pending proposals), matching the body — a pending change shows once, as a
+    // proposal, and is not also tallied as a landed add/remove.
+    const landedOps = diffBlocks(baselineText, landedTextOf(current, proposals));
     const summary = {
-      added: ops.filter((o) => o.kind === "added").length,
-      removed: ops.filter((o) => o.kind === "removed").length,
+      added: landedOps.filter((o) => o.kind === "added").length,
+      removed: landedOps.filter((o) => o.kind === "removed").length,
       proposals: proposals.length,
     };
     void panel.webview.postMessage({