diff --git a/apps/web/src/components/pull-requests/PullRequestFilters.tsx b/apps/web/src/components/pull-requests/PullRequestFilters.tsx
index 2ed8b879..2ebe4d26 100644
--- a/apps/web/src/components/pull-requests/PullRequestFilters.tsx
+++ b/apps/web/src/components/pull-requests/PullRequestFilters.tsx
@@ -29,6 +29,7 @@ import { PullRequestActorAvatar } from "./pullRequestPresentation";
 import {
   hasPullRequestLabel,
   PULL_REQUEST_INVOLVEMENT_WORDS,
+  PULL_REQUEST_INVOLVEMENTS,
   PULL_REQUEST_SORT_LABELS,
   pullRequestAuthorFacets,
   pullRequestFilterChips,
@@ -52,9 +53,10 @@ interface FilterOption<Value extends string> {
   readonly label: string;
 }
 
-const INVOLVEMENT_OPTIONS: readonly FilterOption<PullRequestInvolvementFilter>[] = (
-  ["all", "needs-you", "yours", "others"] as const
-).map((value) => ({ value, label: PULL_REQUEST_INVOLVEMENT_WORDS[value] }));
+const INVOLVEMENT_OPTIONS: readonly FilterOption<PullRequestInvolvementFilter>[] = [
+  "all" as const,
+  ...PULL_REQUEST_INVOLVEMENTS,
+].map((value) => ({ value, label: PULL_REQUEST_INVOLVEMENT_WORDS[value] }));
 
 const DRAFT_OPTIONS: readonly FilterOption<PullRequestDraftFilter>[] = [
   { value: "any", label: "Any" },
diff --git a/apps/web/src/components/pull-requests/PullRequestsView.browser.tsx b/apps/web/src/components/pull-requests/PullRequestsView.browser.tsx
index 3fee047c..6d174543 100644
--- a/apps/web/src/components/pull-requests/PullRequestsView.browser.tsx
+++ b/apps/web/src/components/pull-requests/PullRequestsView.browser.tsx
@@ -329,13 +329,20 @@ describe("PullRequestsView", () => {
         makeEntry({ number: 2, title: "Mine and quiet", viewerIsAuthor: true }),
         makeEntry({ number: 3, title: "Mine and approved", viewerIsAuthor: true }),
         makeEntry({ number: 4, title: "Someone else's work" }),
+        makeEntry({
+          number: 5,
+          title: "Sent upstream",
+          viewerIsAuthor: true,
+          viewerCanWrite: false,
+        }),
       ],
       errors: [],
     });
 
     await expect.element(page.getByText("Needs you · 1")).toBeVisible();
     await expect.element(page.getByText("Yours · 2")).toBeVisible();
-    await expect.element(page.getByText("Others · 1")).toBeVisible();
+    await expect.element(page.getByText("Incoming · 1")).toBeVisible();
+    await expect.element(page.getByText("Contributions · 1")).toBeVisible();
 
     await rendered.cleanup();
   });
diff --git a/apps/web/src/components/pull-requests/pullRequests.logic.test.ts b/apps/web/src/components/pull-requests/pullRequests.logic.test.ts
index cf214b9d..fe78720d 100644
--- a/apps/web/src/components/pull-requests/pullRequests.logic.test.ts
+++ b/apps/web/src/components/pull-requests/pullRequests.logic.test.ts
@@ -243,15 +243,15 @@ describe("groupPullRequests", () => {
       viewerIsAuthor: true,
       updatedAt: "2026-09-01T13:00:00.000Z",
     });
-    const others = entry({ number: 4 });
+    const incoming = entry({ number: 4 });
 
     const groups = groupPullRequests({
-      entries: [others, yoursOlder, needsYou, yoursNewer],
+      entries: [incoming, yoursOlder, needsYou, yoursNewer],
       viewer: "ada",
       state: "open",
     });
 
-    expect(groups.map((group) => group.label)).toEqual(["Needs you", "Yours", "Others"]);
+    expect(groups.map((group) => group.label)).toEqual(["Needs you", "Yours", "Incoming"]);
     expect(groups[0]?.entries.map((row) => row.number)).toEqual([1]);
     expect(groups[1]?.entries.map((row) => row.number)).toEqual([3, 2]);
     expect(groups[2]?.entries.map((row) => row.number)).toEqual([4]);
@@ -263,7 +263,7 @@ describe("groupPullRequests", () => {
       viewer: "ada",
       state: "open",
     });
-    expect(groups.map((group) => group.label)).toEqual(["Others"]);
+    expect(groups.map((group) => group.label)).toEqual(["Incoming"]);
   });
 
   it("falls back to one unlabelled list without a viewer or outside the open tab", () => {
@@ -295,7 +295,7 @@ describe("groupPullRequests", () => {
     expect(groups[0]?.label).toBeNull();
   });
 
-  it("files work on a repository the viewer cannot push to under Yours", () => {
+  it("ranks what the viewer can land above what is out of their hands", () => {
     const upstream = entry({
       number: 1,
       viewerIsAuthor: true,
@@ -303,15 +303,26 @@ describe("groupPullRequests", () => {
       reviewDecision: "approved",
     });
     const asked = entry({ number: 2, viewerCanWrite: false, viewerReviewRequested: true });
+    const followed = entry({ number: 3, viewerCanWrite: false });
+    const onMine = entry({ number: 4, viewerCanWrite: true });
+    // A host that never said is taken as if the viewer may push.
+    const unsaid = entry({ number: 5, viewerIsAuthor: true });
 
-    const groups = groupPullRequests({ entries: [upstream, asked], viewer: "ada", state: "open" });
+    const groups = groupPullRequests({
+      entries: [followed, upstream, onMine, asked, unsaid],
+      viewer: "ada",
+      state: "open",
+    });
 
     expect(groups.map((group) => [group.label, group.entries.map((row) => row.number)])).toEqual([
       ["Needs you", [2]],
-      ["Yours", [1]],
+      ["Yours", [5]],
+      ["Incoming", [4]],
+      ["Contributions", [1]],
+      ["Elsewhere", [3]],
     ]);
     // The sidebar count reads the same rows the page groups.
-    expect(countNeedsYou([upstream, asked])).toBe(1);
+    expect(countNeedsYou([upstream, asked, followed, onMine, unsaid])).toBe(1);
   });
 
   it("counts only the rows that need the viewer", () => {
@@ -649,6 +660,8 @@ describe("narrowPullRequests", () => {
       entry({ number: 1, viewerReviewRequested: true }),
       entry({ number: 2, viewerIsAuthor: true }),
       entry({ number: 3, projectId: OTHER_PROJECT_ID }),
+      entry({ number: 4, viewerIsAuthor: true, viewerCanWrite: false }),
+      entry({ number: 5, viewerCanWrite: false }),
     ];
     const involved = (filters: Partial<PullRequestFilters>) =>
       narrowPullRequests(grouped, { ...EMPTY_PULL_REQUEST_FILTERS, ...filters }).map(
@@ -657,7 +670,9 @@ describe("narrowPullRequests", () => {
 
     expect(involved({ involvement: "needs-you" })).toEqual([1]);
     expect(involved({ involvement: "yours" })).toEqual([2]);
-    expect(involved({ involvement: "others" })).toEqual([3]);
+    expect(involved({ involvement: "incoming" })).toEqual([3]);
+    expect(involved({ involvement: "contributions" })).toEqual([4]);
+    expect(involved({ involvement: "elsewhere" })).toEqual([5]);
     expect(involved({ project: `${ENVIRONMENT_ID}:${OTHER_PROJECT_ID}` })).toEqual([3]);
   });
 
diff --git a/apps/web/src/components/pull-requests/pullRequests.logic.ts b/apps/web/src/components/pull-requests/pullRequests.logic.ts
index d7ae7fa4..64a195cf 100644
--- a/apps/web/src/components/pull-requests/pullRequests.logic.ts
+++ b/apps/web/src/components/pull-requests/pullRequests.logic.ts
@@ -56,7 +56,34 @@ export type PullRequestNeedsYouReason =
   | "Checks failing"
   | "Approved";
 
-export type PullRequestGroupId = "needs-you" | "yours" | "others" | "all";
+export type PullRequestGroupId = PullRequestInvolvement | "all";
+
+/**
+ * Where an open row stands with the viewer, from what they can act on down to
+ * what they can only watch. `yours` and `incoming` are on repositories the
+ * viewer can merge; `contributions` and `elsewhere` are the same two split on
+ * repositories they cannot.
+ */
+export type PullRequestInvolvement =
+  | "needs-you"
+  | "yours"
+  | "incoming"
+  | "contributions"
+  | "elsewhere";
+
+export const PULL_REQUEST_INVOLVEMENTS: readonly PullRequestInvolvement[] = [
+  "needs-you",
+  "yours",
+  "incoming",
+  "contributions",
+  "elsewhere",
+];
+
+function isPullRequestInvolvement(value: unknown): value is PullRequestInvolvement {
+  return (
+    typeof value === "string" && (PULL_REQUEST_INVOLVEMENTS as readonly string[]).includes(value)
+  );
+}
 
 export interface PullRequestGroup {
   readonly id: PullRequestGroupId;
@@ -83,8 +110,8 @@ export type PullRequestDraftFilter = "any" | "only" | "hide";
 /** `none` is a row no reviewer has answered on yet, which the host omits. */
 export type PullRequestReviewFilter = "any" | "none" | PullRequestReviewDecision;
 export type PullRequestChecksFilter = "any" | "passing" | "failing" | "running";
-/** The same three groups the open list heads, as a narrowing of its own. */
-export type PullRequestInvolvementFilter = "all" | "needs-you" | "yours" | "others";
+/** The same groups the open list heads, as a narrowing of its own. */
+export type PullRequestInvolvementFilter = "all" | PullRequestInvolvement;
 export type PullRequestSort =
   | "readiness"
   | "updated"
@@ -160,9 +187,7 @@ export function parsePullRequestsSearch(search: Record<string, unknown>): PullRe
     ...searchText(search["author"], "author"),
     ...searchText(search["labels"], "labels"),
     ...searchText(search["project"], "project"),
-    ...(involvement === "needs-you" || involvement === "yours" || involvement === "others"
-      ? { involvement }
-      : {}),
+    ...(isPullRequestInvolvement(involvement) ? { involvement } : {}),
     ...(draft === "only" || draft === "hide" ? { draft } : {}),
     ...(review === "approved" ||
     review === "changes-requested" ||
@@ -736,21 +761,29 @@ export function countNeedsYou(entries: readonly PullRequestEntry[]): number {
   return count;
 }
 
-/** Which of the open list's three groups a row belongs to. */
-export function pullRequestInvolvement(
-  entry: PullRequestEntry,
-): Exclude<PullRequestInvolvementFilter, "all"> {
+/**
+ * Which of the open list's groups a row belongs to. A host that does not say
+ * whether the viewer may push is taken as if they may, so a row is never
+ * demoted on a silence: it stays under Yours or Incoming as it always did.
+ */
+export function pullRequestInvolvement(entry: PullRequestEntry): PullRequestInvolvement {
   if (resolveNeedsYouReason(entry) !== null) {
     return "needs-you";
   }
-  return entry.viewerIsAuthor ? "yours" : "others";
+  const canMerge = entry.viewerCanWrite !== false;
+  if (entry.viewerIsAuthor) {
+    return canMerge ? "yours" : "contributions";
+  }
+  return canMerge ? "incoming" : "elsewhere";
 }
 
 /**
- * The open list answers "what needs me" first, then the user's own work, then
- * everything else; a row belongs to exactly one group. Without a signed-in
- * viewer none of that is knowable, so the list stays flat, as it does for the
- * merged and closed tabs where the question does not apply.
+ * The open list answers "what needs me" first, then what the user can land
+ * (their own work, then other people's work on their repositories), then what
+ * is out of their hands (their contributions elsewhere, then everything they
+ * only follow); a row belongs to exactly one group. Without a signed-in viewer
+ * none of that is knowable, so the list stays flat, as it does for the merged
+ * and closed tabs where the question does not apply.
  */
 export function groupPullRequests(input: {
   readonly entries: readonly PullRequestEntry[];
@@ -773,21 +806,18 @@ export function groupPullRequests(input: {
     return sorted.length === 0 ? [] : [{ id: "all", label: null, entries: sorted }];
   }
 
-  const needsYou: PullRequestEntry[] = [];
-  const yours: PullRequestEntry[] = [];
-  const others: PullRequestEntry[] = [];
-  const byInvolvement = { "needs-you": needsYou, yours, others } as const;
+  const byInvolvement = new Map<PullRequestInvolvement, PullRequestEntry[]>(
+    PULL_REQUEST_INVOLVEMENTS.map((involvement) => [involvement, []]),
+  );
   for (const entry of sorted) {
-    byInvolvement[pullRequestInvolvement(entry)].push(entry);
+    byInvolvement.get(pullRequestInvolvement(entry))?.push(entry);
   }
 
-  return (
-    [
-      { id: "needs-you", label: "Needs you", entries: needsYou },
-      { id: "yours", label: "Yours", entries: yours },
-      { id: "others", label: "Others", entries: others },
-    ] as const
-  ).filter((group) => group.entries.length > 0);
+  return PULL_REQUEST_INVOLVEMENTS.map((id) => ({
+    id,
+    label: PULL_REQUEST_INVOLVEMENT_WORDS[id],
+    entries: byInvolvement.get(id) ?? [],
+  })).filter((group) => group.entries.length > 0);
 }
 
 /**
@@ -977,7 +1007,9 @@ export const PULL_REQUEST_INVOLVEMENT_WORDS: Readonly<
   all: "All",
   "needs-you": "Needs you",
   yours: "Yours",
-  others: "Others",
+  incoming: "Incoming",
+  contributions: "Contributions",
+  elsewhere: "Elsewhere",
 };
 
 /**
diff --git a/docs/design/pull-requests.md b/docs/design/pull-requests.md
index f33e2c66..ec2733c4 100644
--- a/docs/design/pull-requests.md
+++ b/docs/design/pull-requests.md
@@ -191,7 +191,11 @@ Header block:
 List:
 
 - Group header: same voice as the General chats page (`font-mono text-[10px] uppercase
-tracking-wider text-muted-foreground/55`), text "Needs you · 3", "Yours · 5", "Others · 12".
+tracking-wider text-muted-foreground/55`), text "Needs you · 3", "Yours · 5", "Incoming · 12",
+  "Contributions · 2", "Elsewhere · 1". Yours and Incoming are on repositories the viewer can merge
+  (the viewer's own work, then other people's); Contributions and Elsewhere are the same two on
+  repositories the viewer cannot. A host that does not say whether the viewer may push leaves the
+  row under Yours or Incoming.
 - Rows separated by `divide-y divide-border/50`. Each row is a `button` (`hover:bg-muted`,
   `rounded-md`, `py-2.5`, same as `ChatRow`) laid out as a grid: glyph column, content column.
 - Glyph: `GitPullRequestIcon` emerald for open (reuse the exact classes from
@@ -261,7 +265,7 @@ Action `action:pull-requests`, title "Open pull requests", search terms
 - `pullRequests.logic.test.ts`: grouping and reasons (one row per group, first-match rule), thread
   linking (archived excluded, branch must match, project must match), query matching.
 - `PullRequestsView.browser.tsx`: with `__setEnvironmentApiOverrideForTests` stubbing
-  `pullRequests.list`: renders three groups with the right counts; the sign-in empty state when
+  `pullRequests.list`: renders the groups with the right counts; the sign-in empty state when
   every project is `unauthenticated`; clicking "Review in a thread" opens the dialog with the PR
   URL prefilled. Keep it to those three.
 - Regenerate `routeTree.gen.ts` the way the router plugin does (check `apps/web/vite.config.ts`
@@ -1006,8 +1010,9 @@ provider like the GitHub ones, on decoders and argv.
 # Step 5: your pull requests anywhere
 
 The page lists the repositories in the workspace. Will also wants the pull requests he opened on
-repositories that are not projects here, such as an upstream contribution. Those join the **Yours**
-group with the repository named; everything else stays as it is.
+repositories that are not projects here, such as an upstream contribution. Those show with the
+repository named, under **Yours** where he can merge them and **Contributions** where he cannot;
+everything else stays as it is.
 
 ## Contracts
 
@@ -1113,7 +1118,7 @@ text-muted-foreground`, dot `size-2 rounded-full` coloured from the label's hex
   Largest/Smallest use `additions + deletions`. URL `sort` values: `readiness | updated | newest |
 oldest | largest | smallest` (today's `created` and `size` map to `newest` and `largest`).
 - Filters menu, one submenu per line with the current value right-aligned in muted text:
-  Involvement (All, Needs you, Yours, Others), separator, Author (searchable: an input at the top
+  Involvement (All, Needs you, Yours, Incoming, Contributions, Elsewhere), separator, Author (searchable: an input at the top
   of the submenu, then "Anyone" and the logins seen in the loaded rows of every state that has
   been read, avatar + login, selected one first, max ten shown), Labels (searchable checklist of
   the labels seen in loaded rows, with colour dots; "Any" clears), Draft (Any, Only drafts, No