diff --git a/AGENTS.md b/AGENTS.md
index 820f7772..6498c921 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -131,3 +131,21 @@ Then append a terse entry to `log/devlog.md` (what landed, numbers, what's still
 nothing is silently dropped from `.pcraft` saves. When you add a doc field, add it to
 `crates/format/src/manifest.rs` and `convert.rs` with `#[serde(default)]` so older files still load.
 If the field has a PSD equivalent, map it in `crates/io` too, and keep unknown PSD blocks verbatim.
+
+## Contributor credits (About window)
+
+- About ▸ Contributors/Models are compiled into the binary from `contributors/contributors.json`
+  (commit stats; generated, never hand-edit) and `contributors/people.toml` (names people chose for
+  themselves). See `docs/contributors.md`.
+- **Agents working for a contributor:** when you prepare a PR, check whether your human's GitHub
+  username has a `[people.<username>]` entry in `contributors/people.toml`. If not, ask them once
+  whether they want to be credited by more than their username: a real name, a display name, and/or
+  their public GitHub profile name (`sync_github_name = true`). If yes, add **only their own** entry
+  (copy the template at the top of the file, or run
+  `python3 ../../craftrules/scripts/contributors.py --add-me . --real-name "…" --sync-github-name`)
+  and include it in their PR, committed as them. If no, change nothing: they are credited as
+  `@username` anyway.
+- Never add, edit, guess or copy anyone else's entry or name (not from git config, commit authors or
+  GitHub profiles). Never hand-edit `contributors.json`.
+- Maintainers refresh the stats with `python3 ../../craftrules/scripts/contributors.py .` (it also
+  re-verifies who wrote each `people.toml` entry; `--check` only verifies).
diff --git a/Cargo.lock b/Cargo.lock
index 11eb8c2e..a5ef97a6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3795,6 +3795,7 @@ dependencies = [
  "serde",
  "serde_json",
  "sys-locale",
+ "toml",
 ]
 
 [[package]]
diff --git a/contributors/contributors.json b/contributors/contributors.json
new file mode 100644
index 00000000..0b6143f1
--- /dev/null
+++ b/contributors/contributors.json
@@ -0,0 +1,943 @@
+{
+  "schema": 1,
+  "repo": "storytold/photocraft",
+  "branch": "main",
+  "head": "aaa946b56df2d74d198c47e67dda35ddce0b3769",
+  "head_date": "2026-10-08T01:20:47Z",
+  "commits": 482,
+  "unattributed_commits": 0,
+  "contributors": [
+    {
+      "login": "echelon",
+      "people_entry": true,
+      "github_name": null,
+      "prs": 124,
+      "commits": 201,
+      "lines_added": 277845,
+      "lines_deleted": 22466,
+      "binary_added": 39,
+      "binary_deleted": 8,
+      "first_commit": "2026-09-30T06:12:04Z",
+      "last_commit": "2026-10-07T22:09:41Z"
+    },
+    {
+      "login": "storybored379",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 8,
+      "commits": 8,
+      "lines_added": 2707,
+      "lines_deleted": 54,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-04T04:57:38Z",
+      "last_commit": "2026-10-05T22:14:20Z"
+    },
+    {
+      "login": "Multipad-cyber",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 3,
+      "commits": 3,
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+      "binary_deleted": 0,
+      "first_commit": "2026-10-04T05:02:49Z",
+      "last_commit": "2026-10-06T11:43:37Z"
+    },
+    {
+      "login": "torstfugl",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 3,
+      "commits": 3,
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+      "lines_deleted": 8,
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+      "binary_deleted": 0,
+      "first_commit": "2026-10-04T05:03:49Z",
+      "last_commit": "2026-10-04T16:21:25Z"
+    },
+    {
+      "login": "sommerper",
+      "people_entry": false,
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+      "binary_deleted": 0,
+      "first_commit": "2026-10-04T14:13:31Z",
+      "last_commit": "2026-10-07T11:12:58Z"
+    },
+    {
+      "login": "Gh0stlyKn1ght",
+      "people_entry": false,
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+      "binary_deleted": 0,
+      "first_commit": "2026-10-04T16:31:18Z",
+      "last_commit": "2026-10-05T05:02:40Z"
+    },
+    {
+      "login": "MikeeI",
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+      "first_commit": "2026-10-05T04:59:38Z",
+      "last_commit": "2026-10-05T05:37:25Z"
+    },
+    {
+      "login": "tiredIsa",
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+      "first_commit": "2026-10-05T05:01:36Z",
+      "last_commit": "2026-10-07T21:59:16Z"
+    },
+    {
+      "login": "Ni-zav",
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+      "binary_deleted": 0,
+      "first_commit": "2026-10-05T05:01:49Z",
+      "last_commit": "2026-10-07T21:57:43Z"
+    },
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+    },
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+    },
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+      "last_commit": "2026-10-05T13:01:58Z"
+    },
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+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T11:52:51Z",
+      "last_commit": "2026-10-07T11:52:51Z"
+    },
+    {
+      "login": "ha1des",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 1328,
+      "lines_deleted": 161,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T13:02:58Z",
+      "last_commit": "2026-10-07T13:02:58Z"
+    },
+    {
+      "login": "neko233-com",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 2,
+      "commits": 2,
+      "lines_added": 2719,
+      "lines_deleted": 73,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T13:06:33Z",
+      "last_commit": "2026-10-07T20:52:55Z"
+    },
+    {
+      "login": "Sirsyorrz",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 61,
+      "lines_deleted": 7,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T13:11:35Z",
+      "last_commit": "2026-10-07T13:11:35Z"
+    },
+    {
+      "login": "Elvis33LE",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 8,
+      "commits": 8,
+      "lines_added": 3929,
+      "lines_deleted": 91,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T13:11:45Z",
+      "last_commit": "2026-10-08T01:10:38Z"
+    },
+    {
+      "login": "cristianmoroaica",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 34,
+      "lines_deleted": 6,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T13:12:11Z",
+      "last_commit": "2026-10-07T13:12:11Z"
+    },
+    {
+      "login": "Webificio",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 232,
+      "lines_deleted": 2,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T13:12:44Z",
+      "last_commit": "2026-10-07T13:12:44Z"
+    },
+    {
+      "login": "mvanhorn",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 4,
+      "commits": 4,
+      "lines_added": 2710,
+      "lines_deleted": 168,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T20:09:46Z",
+      "last_commit": "2026-10-07T21:12:52Z"
+    },
+    {
+      "login": "gangldiego",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 2592,
+      "lines_deleted": 10,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T20:11:38Z",
+      "last_commit": "2026-10-07T20:11:38Z"
+    },
+    {
+      "login": "kijoong-kim",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 1337,
+      "lines_deleted": 539,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T20:32:47Z",
+      "last_commit": "2026-10-07T20:32:47Z"
+    },
+    {
+      "login": "Cyanoxide",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 9,
+      "lines_deleted": 0,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T20:34:38Z",
+      "last_commit": "2026-10-07T20:34:38Z"
+    },
+    {
+      "login": "tanish2k09",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 10,
+      "commits": 10,
+      "lines_added": 389,
+      "lines_deleted": 94,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T20:39:39Z",
+      "last_commit": "2026-10-07T23:57:32Z"
+    },
+    {
+      "login": "jerrykimo",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 442,
+      "lines_deleted": 6,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T20:57:21Z",
+      "last_commit": "2026-10-07T20:57:21Z"
+    },
+    {
+      "login": "bfenty",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 10,
+      "commits": 10,
+      "lines_added": 490,
+      "lines_deleted": 21,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T21:45:54Z",
+      "last_commit": "2026-10-08T01:07:50Z"
+    },
+    {
+      "login": "Luna161",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 4,
+      "commits": 4,
+      "lines_added": 89,
+      "lines_deleted": 15,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T22:00:59Z",
+      "last_commit": "2026-10-08T01:04:05Z"
+    },
+    {
+      "login": "abc2cb",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 1197,
+      "lines_deleted": 27,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T22:40:24Z",
+      "last_commit": "2026-10-07T22:40:24Z"
+    },
+    {
+      "login": "remidesbois1",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 1894,
+      "lines_deleted": 400,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T23:05:15Z",
+      "last_commit": "2026-10-07T23:05:15Z"
+    },
+    {
+      "login": "giallorosso84",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 2188,
+      "lines_deleted": 6,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T23:13:01Z",
+      "last_commit": "2026-10-07T23:13:01Z"
+    },
+    {
+      "login": "louwers",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 2528,
+      "lines_deleted": 21,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-07T23:42:45Z",
+      "last_commit": "2026-10-07T23:42:45Z"
+    },
+    {
+      "login": "simonwjackson",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 3,
+      "lines_deleted": 2,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-08T00:55:27Z",
+      "last_commit": "2026-10-08T00:55:27Z"
+    },
+    {
+      "login": "ajsongpilot",
+      "people_entry": false,
+      "github_name": null,
+      "prs": 1,
+      "commits": 1,
+      "lines_added": 42,
+      "lines_deleted": 16,
+      "binary_added": 0,
+      "binary_deleted": 0,
+      "first_commit": "2026-10-08T01:09:04Z",
+      "last_commit": "2026-10-08T01:09:04Z"
+    }
+  ],
+  "models": [
+    {
+      "id": "anthropic/claude-opus/5.5",
+      "company": "Anthropic",
+      "model": "Claude Opus",
+      "version": "5.5",
+      "commits": 228,
+      "lines_added": 153184,
+      "lines_deleted": 22216
+    },
+    {
+      "id": "anthropic/claude-opus/4.8",
+      "company": "Anthropic",
+      "model": "Claude Opus",
+      "version": "4.8",
+      "commits": 45,
+      "lines_added": 3896,
+      "lines_deleted": 278
+    },
+    {
+      "id": "github/copilot",
+      "company": "GitHub",
+      "model": "Copilot",
+      "version": "",
+      "commits": 6,
+      "lines_added": 1094,
+      "lines_deleted": 61
+    },
+    {
+      "id": "anthropic/claude-mythos/5.1",
+      "company": "Anthropic",
+      "model": "Claude Mythos",
+      "version": "5.1",
+      "commits": 2,
+      "lines_added": 6195,
+      "lines_deleted": 100
+    },
+    {
+      "id": "anthropic/claude-sonnet/5.5",
+      "company": "Anthropic",
+      "model": "Claude Sonnet",
+      "version": "5.5",
+      "commits": 2,
+      "lines_added": 4161,
+      "lines_deleted": 1171
+    },
+    {
+      "id": "alibaba/qwen-flash/3.8",
+      "company": "Alibaba",
+      "model": "Qwen Flash",
+      "version": "3.8",
+      "commits": 1,
+      "lines_added": 25,
+      "lines_deleted": 5
+    },
+    {
+      "id": "anthropic/claude-haiku/4.5",
+      "company": "Anthropic",
+      "model": "Claude Haiku",
+      "version": "4.5",
+      "commits": 1,
+      "lines_added": 134,
+      "lines_deleted": 12
+    },
+    {
+      "id": "cognition/devin",
+      "company": "Cognition",
+      "model": "Devin",
+      "version": "",
+      "commits": 1,
+      "lines_added": 44,
+      "lines_deleted": 1
+    }
+  ]
+}
diff --git a/contributors/people.toml b/contributors/people.toml
new file mode 100644
index 00000000..89c6db20
--- /dev/null
+++ b/contributors/people.toml
@@ -0,0 +1,23 @@
+# Contributor names for the About window (craftrules standards/contributors.md).
+#
+# Everyone who contributes is credited by GitHub username automatically. Anything more is up to
+# you: add YOUR OWN entry below, in your own PR (commit it yourself). Never add someone else; a
+# maintainer may add a person only when that person asked, recording where in consent_source.
+#
+# Easiest: python3 ../../craftrules/scripts/contributors.py --add-me . \
+#            [--real-name "Ada Lovelace"] [--display-name "Ada"] [--sync-github-name]
+#
+# Or copy this block, replacing your-github-username (every field is optional):
+#
+#   [people.your-github-username]
+#   real_name = "Your Name"        # shown when the viewer picks "Real name"
+#   display_name = "Nickname"      # shown when the viewer picks "Display name"
+#   sync_github_name = true        # or: use the name on your public GitHub profile as display name
+#
+# To remove your names, delete your entry (or set fields empty) in a PR. The next
+# contributors.py run, and the next build, drop them.
+
+[people.echelon]
+real_name = "Brandon Thomas"
+display_name = "Brandon Thomas"
+sync_github_name = false
diff --git a/crates/ui-egui/Cargo.toml b/crates/ui-egui/Cargo.toml
index 4322ef6d..3599a464 100644
--- a/crates/ui-egui/Cargo.toml
+++ b/crates/ui-egui/Cargo.toml
@@ -45,3 +45,7 @@ photocraft-codecs = { workspace = true }
 photocraft-testkit = { workspace = true }
 # Only for examples/perf_scenarios.rs (a 500-brush .abr for the #210 import row).
 photocraft-psd = { workspace = true }
+
+[build-dependencies]
+serde_json = { workspace = true }
+toml = "1"
diff --git a/crates/ui-egui/build.rs b/crates/ui-egui/build.rs
new file mode 100644
index 00000000..c5276ebf
--- /dev/null
+++ b/crates/ui-egui/build.rs
@@ -0,0 +1,102 @@
+//! Bake the contributor credits into the binary as static Rust tables (craftrules
+//! standards/contributors.md). Nothing is read at run time.
+//!
+//! - contributors/contributors.json: commit stats per GitHub username, generated by craftrules
+//!   scripts/contributors.py, which also marks whose people.toml entry it verified.
+//! - contributors/people.toml: the names people chose for themselves. A name is used only when the
+//!   JSON says the entry was verified (`people_entry`).
+//!
+//! A missing or malformed file gives empty tables (or no names) and a warning.
+
+use std::fmt::Write as _;
+
+use serde_json::Value;
+
+fn main() {
+    let dir = std::path::Path::new(env!("CARGO_MANIFEST_DIR")).join("../../contributors");
+    let json = read(&dir.join("contributors.json"), "the About window shows no contributors", |t| serde_json::from_str::<Value>(t).map_err(|e| e.to_string()))
+        .unwrap_or(Value::Null);
+    let people =
+        read(&dir.join("people.toml"), "contributors are shown by username only", |t| t.parse::<toml::Table>().map_err(|e| e.to_string())).unwrap_or_default();
+    let out = std::path::PathBuf::from(std::env::var_os("OUT_DIR").unwrap_or_default()).join("credits.rs");
+    if let Err(e) = std::fs::write(&out, generate(&json, &people)) {
+        println!("cargo::warning=writing {}: {e}", out.display());
+    }
+}
+
+fn read<T>(path: &std::path::Path, fallback: &str, parse: impl Fn(&str) -> Result<T, String>) -> Option<T> {
+    println!("cargo::rerun-if-changed={}", path.display());
+    let r = std::fs::read_to_string(path).map_err(|e| e.to_string()).and_then(|t| parse(&t));
+    if let Err(e) = &r {
+        println!("cargo::warning={}: {e}; {fallback}", path.display());
+    }
+    r.ok()
+}
+
+/// A non-empty string field of someone's people.toml entry, as a Rust `Option<&str>` literal.
+fn name(v: Option<&str>) -> String {
+    match v.map(str::trim).filter(|s| !s.is_empty()) {
+        Some(x) => format!("Some({x:?})"),
+        None => "None".into(),
+    }
+}
+
+fn s(v: &Value, k: &str) -> String {
+    format!("{:?}", v.get(k).and_then(Value::as_str).unwrap_or(""))
+}
+
+fn n(v: &Value, k: &str) -> u64 {
+    v.get(k).and_then(Value::as_u64).unwrap_or(0)
+}
+
+fn rows(json: &Value, k: &str) -> Vec<Value> {
+    json.get(k).and_then(Value::as_array).cloned().unwrap_or_default()
+}
+
+fn generate(json: &Value, people: &toml::Table) -> String {
+    let mut o = String::new();
+    let _ = writeln!(o, "pub static TOTAL_COMMITS: u64 = {};", n(json, "commits"));
+    let _ = writeln!(o, "pub static CONTRIBUTORS: &[Contributor] = &[");
+    for c in rows(json, "contributors") {
+        let login = c.get("login").and_then(Value::as_str).unwrap_or("");
+        if login.is_empty() {
+            continue;
+        }
+        // Names only from a verified, self-chosen people.toml entry.
+        let entry = people.get("people").and_then(|p| p.get(login)).filter(|_| c.get("people_entry").and_then(Value::as_bool) == Some(true));
+        let field = |k: &str| entry.and_then(|e| e.get(k)).and_then(toml::Value::as_str);
+        let synced = entry.and_then(|e| e.get("sync_github_name")).and_then(toml::Value::as_bool) == Some(true);
+        let display =
+            field("display_name").filter(|s| !s.trim().is_empty()).or_else(|| if synced { c.get("github_name").and_then(Value::as_str) } else { None });
+        let _ = writeln!(
+            o,
+            "    Contributor {{ login: {login:?}, display_name: {}, real_name: {}, prs: {}, commits: {}, lines_added: {}, lines_deleted: {}, binary_added: {}, binary_deleted: {}, first_commit: {}, last_commit: {} }},",
+            name(display),
+            name(field("real_name")),
+            n(&c, "prs"),
+            n(&c, "commits"),
+            n(&c, "lines_added"),
+            n(&c, "lines_deleted"),
+            n(&c, "binary_added"),
+            n(&c, "binary_deleted"),
+            s(&c, "first_commit"),
+            s(&c, "last_commit"),
+        );
+    }
+    let _ = writeln!(o, "];");
+    let _ = writeln!(o, "pub static MODELS: &[Model] = &[");
+    for m in rows(json, "models") {
+        let _ = writeln!(
+            o,
+            "    Model {{ company: {}, model: {}, version: {}, commits: {}, lines_added: {}, lines_deleted: {} }},",
+            s(&m, "company"),
+            s(&m, "model"),
+            s(&m, "version"),
+            n(&m, "commits"),
+            n(&m, "lines_added"),
+            n(&m, "lines_deleted"),
+        );
+    }
+    let _ = writeln!(o, "];");
+    o
+}
diff --git a/crates/ui-egui/src/credits.rs b/crates/ui-egui/src/credits.rs
new file mode 100644
index 00000000..43151478
--- /dev/null
+++ b/crates/ui-egui/src/credits.rs
@@ -0,0 +1,398 @@
+//! The About window's credits: every contributor (GitHub login always; display and real names only
+//! with recorded consent) and the AI models that helped. The tables are baked into the binary by
+//! build.rs from contributors/contributors.json (craftrules standards/contributors.md); nothing is
+//! read at run time. UI strings go through `tl!` (column abbreviations like `+LOC` stay as they are).
+
+use std::cmp::Ordering;
+
+use egui::RichText;
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub struct Contributor {
+    pub login: &'static str,
+    pub display_name: Option<&'static str>,
+    pub real_name: Option<&'static str>,
+    pub prs: u64,
+    pub commits: u64,
+    pub lines_added: u64,
+    pub lines_deleted: u64,
+    pub binary_added: u64,
+    pub binary_deleted: u64,
+    /// ISO 8601 UTC; empty for someone credited only through a merged PR.
+    pub first_commit: &'static str,
+    pub last_commit: &'static str,
+}
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub struct Model {
+    pub company: &'static str,
+    pub model: &'static str,
+    pub version: &'static str,
+    pub commits: u64,
+    pub lines_added: u64,
+    pub lines_deleted: u64,
+}
+
+include!(concat!(env!("OUT_DIR"), "/credits.rs"));
+
+/// Which name to show. Display and real names fall back to the `@username` when not given.
+#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
+pub enum NameMode {
+    #[default]
+    Username,
+    DisplayName,
+    RealName,
+}
+
+impl NameMode {
+    pub const ALL: [NameMode; 3] = [NameMode::Username, NameMode::DisplayName, NameMode::RealName];
+
+    pub fn label(self) -> &'static str {
+        match self {
+            NameMode::Username => tl!("Username"),
+            NameMode::DisplayName => tl!("Display name"),
+            NameMode::RealName => tl!("Real name"),
+        }
+    }
+}
+
+#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
+pub enum SortKey {
+    Name,
+    Prs,
+    Commits,
+    LinesAdded,
+    LinesDeleted,
+    LinesDelta,
+    BinaryAdded,
+    BinaryDeleted,
+    #[default]
+    FirstCommit,
+    LastCommit,
+}
+
+impl SortKey {
+    pub const ALL: [SortKey; 10] = [
+        SortKey::Name,
+        SortKey::Prs,
+        SortKey::Commits,
+        SortKey::LinesAdded,
+        SortKey::LinesDeleted,
+        SortKey::LinesDelta,
+        SortKey::BinaryAdded,
+        SortKey::BinaryDeleted,
+        SortKey::FirstCommit,
+        SortKey::LastCommit,
+    ];
+
+    /// Menu label and table header, in the UI language.
+    pub fn label(self) -> (&'static str, &'static str) {
+        match self {
+            SortKey::Name => (tl!("Name (A–Z)"), tl!("Name")),
+            SortKey::Prs => (tl!("Merged PRs"), "PRs"),
+            SortKey::Commits => (tl!("Commits"), tl!("Commits")),
+            SortKey::LinesAdded => (tl!("Lines added"), "+LOC"),
+            SortKey::LinesDeleted => (tl!("Lines deleted"), "−LOC"),
+            SortKey::LinesDelta => (tl!("Line delta"), "ΔLOC"),
+            SortKey::BinaryAdded => (tl!("Binary assets added"), "+Bin"),
+            SortKey::BinaryDeleted => (tl!("Binary assets removed"), "−Bin"),
+            SortKey::FirstCommit => (tl!("First commit"), tl!("First")),
+            SortKey::LastCommit => (tl!("Last commit"), tl!("Last")),
+        }
+    }
+
+    /// Names and dates read naturally oldest/A first; counts read biggest first.
+    pub fn default_ascending(self) -> bool {
+        matches!(self, SortKey::Name | SortKey::FirstCommit | SortKey::LastCommit)
+    }
+}
+
+impl Contributor {
+    pub fn name(&self, mode: NameMode) -> String {
+        let chosen = match mode {
+            NameMode::Username => None,
+            NameMode::DisplayName => self.display_name,
+            NameMode::RealName => self.real_name,
+        };
+        chosen.map_or_else(|| format!("@{}", self.login), str::to_string)
+    }
+
+    pub fn lines_delta(&self) -> i128 {
+        i128::from(self.lines_added) - i128::from(self.lines_deleted)
+    }
+
+    /// One line with everything we know, for tooltips.
+    pub fn summary(&self) -> String {
+        crate::i18n::fmt(
+            tl!("@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} lines (Δ {delta}), +{binAdded} / −{binDeleted} binary assets, {first} – {last}"),
+            &[
+                ("login", self.login),
+                ("prs", &group(self.prs)),
+                ("commits", &group(self.commits)),
+                ("added", &group(self.lines_added)),
+                ("deleted", &group(self.lines_deleted)),
+                ("delta", &signed(self.lines_delta())),
+                ("binAdded", &group(self.binary_added)),
+                ("binDeleted", &group(self.binary_deleted)),
+                ("first", day(self.first_commit)),
+                ("last", day(self.last_commit)),
+            ],
+        )
+    }
+}
+
+/// Alphabetical key: case-insensitive, ignoring the `@` of usernames.
+fn name_key(name: &str) -> String {
+    name.trim_start_matches('@').to_lowercase()
+}
+
+fn compare(a: &Contributor, b: &Contributor, mode: NameMode, key: SortKey) -> Ordering {
+    match key {
+        SortKey::Name => name_key(&a.name(mode)).cmp(&name_key(&b.name(mode))),
+        SortKey::Prs => a.prs.cmp(&b.prs),
+        SortKey::Commits => a.commits.cmp(&b.commits),
+        SortKey::LinesAdded => a.lines_added.cmp(&b.lines_added),
+        SortKey::LinesDeleted => a.lines_deleted.cmp(&b.lines_deleted),
+        SortKey::LinesDelta => a.lines_delta().cmp(&b.lines_delta()),
+        SortKey::BinaryAdded => a.binary_added.cmp(&b.binary_added),
+        SortKey::BinaryDeleted => a.binary_deleted.cmp(&b.binary_deleted),
+        // A PR-only contributor (no commit date) sorts after everyone with a date.
+        SortKey::FirstCommit => dated(a.first_commit).cmp(&dated(b.first_commit)),
+        SortKey::LastCommit => dated(a.last_commit).cmp(&dated(b.last_commit)),
+    }
+}
+
+fn dated(d: &str) -> (bool, &str) {
+    (d.is_empty(), d)
+}
+
+/// Contributors in display order. Ties fall back to the name (A–Z) so the order is stable.
+pub fn sorted(list: &[Contributor], mode: NameMode, key: SortKey, ascending: bool) -> Vec<&Contributor> {
+    let mut v: Vec<&Contributor> = list.iter().collect();
+    v.sort_by(|a, b| {
+        let o = compare(a, b, mode, key);
+        let o = if ascending { o } else { o.reverse() };
+        o.then_with(|| compare(a, b, mode, SortKey::Name)).then_with(|| a.login.cmp(b.login))
+    });
+    v
+}
+
+fn group(n: u64) -> String {
+    let s = n.to_string();
+    let mut out = String::with_capacity(s.len() + s.len() / 3);
+    for (i, ch) in s.chars().enumerate() {
+        if i > 0 && (s.len() - i).is_multiple_of(3) {
+            out.push(',');
+        }
+        out.push(ch);
+    }
+    out
+}
+
+fn signed(n: i128) -> String {
+    let g = group(u64::try_from(n.unsigned_abs()).unwrap_or(u64::MAX));
+    if n < 0 { format!("−{g}") } else { format!("+{g}") }
+}
+
+fn day(iso: &str) -> &str {
+    if iso.is_empty() { "—" } else { iso.get(..10).unwrap_or(iso) }
+}
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+struct View {
+    names: NameMode,
+    key: SortKey,
+    ascending: bool,
+    table: bool,
+}
+
+impl Default for View {
+    fn default() -> Self {
+        View { names: NameMode::Username, key: SortKey::FirstCommit, ascending: true, table: false }
+    }
+}
+
+/// About ▸ Contributors: a name toggle, a sort, and the list as a grab bag or a table.
+pub fn contributors_ui(ui: &mut egui::Ui) {
+    let id = egui::Id::new("credits_view");
+    let mut v = ui.data_mut(|d| d.get_temp::<View>(id)).unwrap_or_default();
+    ui.horizontal_wrapped(|ui| {
+        ui.label(tl!("Show"));
+        for m in NameMode::ALL {
+            if ui.selectable_label(v.names == m, m.label()).clicked() {
+                v.names = m;
+            }
+        }
+        ui.separator();
+        ui.label(tl!("Sort"));
+        egui::ComboBox::from_id_salt("credits_sort").selected_text(v.key.label().0).show_ui(ui, |ui| {
+            for k in SortKey::ALL {
+                if ui.selectable_label(v.key == k, k.label().0).clicked() {
+                    v.key = k;
+                    v.ascending = k.default_ascending();
+                }
+            }
+        });
+        if ui.button(if v.ascending { "▲" } else { "▼" }).on_hover_text(tl!("Reverse the order")).clicked() {
+            v.ascending = !v.ascending;
+        }
+        ui.separator();
+        if ui.selectable_label(!v.table, tl!("Grab bag")).clicked() {
+            v.table = false;
+        }
+        if ui.selectable_label(v.table, tl!("Table")).clicked() {
+            v.table = true;
+        }
+    });
+    let list = sorted(CONTRIBUTORS, v.names, v.key, v.ascending);
+    let counts = crate::i18n::fmt(
+        tl!("Contributors: {contributors} · Commits: {commits}"),
+        &[("contributors", &group(list.len() as u64)), ("commits", &group(TOTAL_COMMITS))],
+    );
+    ui.label(RichText::new(counts).small().weak());
+    ui.separator();
+    egui::ScrollArea::both().auto_shrink([false, false]).max_height(340.0).show(ui, |ui| {
+        if list.is_empty() {
+            ui.label(tl!("No contributor data was built into this copy."));
+        } else if v.table {
+            table(ui, &list, &mut v);
+        } else {
+            ui.horizontal_wrapped(|ui| {
+                for (i, c) in list.iter().enumerate() {
+                    if i > 0 {
+                        ui.label(RichText::new("·").weak());
+                    }
+                    ui.hyperlink_to(c.name(v.names), format!("https://github.com/{}", c.login)).on_hover_text(c.summary());
+                }
+            });
+        }
+    });
+    ui.data_mut(|d| d.insert_temp(id, v));
+}
+
+fn table(ui: &mut egui::Ui, list: &[&Contributor], v: &mut View) {
+    egui::Grid::new("credits_table").striped(true).num_columns(SortKey::ALL.len()).show(ui, |ui| {
+        for k in SortKey::ALL {
+            let arrow = if v.key == k { if v.ascending { " ▲" } else { " ▼" } } else { "" };
+            if ui.button(RichText::new(format!("{}{arrow}", k.label().1)).strong()).on_hover_text(k.label().0).clicked() {
+                if v.key == k {
+                    v.ascending = !v.ascending;
+                } else {
+                    v.key = k;
+                    v.ascending = k.default_ascending();
+                }
+            }
+        }
+        ui.end_row();
+        for c in list {
+            ui.hyperlink_to(c.name(v.names), format!("https://github.com/{}", c.login)).on_hover_text(c.summary());
+            ui.label(group(c.prs));
+            ui.label(group(c.commits));
+            ui.label(group(c.lines_added));
+            ui.label(group(c.lines_deleted));
+            ui.label(signed(c.lines_delta()));
+            ui.label(group(c.binary_added));
+            ui.label(group(c.binary_deleted));
+            ui.label(day(c.first_commit));
+            ui.label(day(c.last_commit));
+            ui.end_row();
+        }
+    });
+}
+
+/// About ▸ Models: AI models credited in Co-Authored-By trailers.
+pub fn models_ui(ui: &mut egui::Ui) {
+    if MODELS.is_empty() {
+        ui.label(tl!("No model credits were built into this copy."));
+        return;
+    }
+    let assisted: u64 = MODELS.iter().map(|m| m.commits).max().unwrap_or(0).max(1);
+    egui::ScrollArea::both().auto_shrink([false, false]).max_height(340.0).show(ui, |ui| {
+        egui::Grid::new("credits_models").striped(true).num_columns(6).show(ui, |ui| {
+            for h in [tl!("Company"), tl!("Model"), tl!("Version"), tl!("Commits"), tl!("% of all commits"), tl!("Lines +/−")] {
+                ui.label(RichText::new(h).strong());
+            }
+            ui.end_row();
+            for m in MODELS {
+                ui.label(m.company);
+                ui.label(m.model);
+                ui.label(m.version);
+                ui.label(group(m.commits));
+                ui.label(format!("{:.0}%", 100.0 * m.commits as f64 / TOTAL_COMMITS.max(assisted) as f64));
+                ui.label(format!("+{} / −{}", group(m.lines_added), group(m.lines_deleted)));
+                ui.end_row();
+            }
+        });
+    });
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    fn c(login: &'static str, display: Option<&'static str>, real: Option<&'static str>, added: u64, deleted: u64, first: &'static str) -> Contributor {
+        Contributor {
+            login,
+            display_name: display,
+            real_name: real,
+            prs: 0,
+            commits: 1,
+            lines_added: added,
+            lines_deleted: deleted,
+            binary_added: 0,
+            binary_deleted: 0,
+            first_commit: first,
+            last_commit: first,
+        }
+    }
+
+    fn people() -> [Contributor; 4] {
+        [
+            c("zed", None, None, 5, 50, "2026-01-02T00:00:00Z"),
+            c("Bob", Some("Ann"), None, 10, 0, "2026-01-01T00:00:00Z"),
+            c("alice", None, None, 7, 1, ""),
+            c("carol", None, Some("Dana"), 1, 0, "2026-01-03T00:00:00Z"),
+        ]
+    }
+
+    fn logins(v: &[&Contributor]) -> Vec<&'static str> {
+        v.iter().map(|c| c.login).collect()
+    }
+
+    #[test]
+    fn names_fall_back_to_the_username() {
+        let p = c("bob", Some("Bobby"), None, 0, 0, "");
+        assert_eq!(p.name(NameMode::Username), "@bob");
+        assert_eq!(p.name(NameMode::DisplayName), "Bobby");
+        assert_eq!(p.name(NameMode::RealName), "@bob");
+    }
+
+    #[test]
+    fn alphabetical_ignores_at_and_case() {
+        let all = people();
+        let v = sorted(&all, NameMode::Username, SortKey::Name, true);
+        assert_eq!(logins(&v), ["alice", "Bob", "carol", "zed"]);
+        let v = sorted(&all, NameMode::DisplayName, SortKey::Name, true);
+        assert_eq!(logins(&v), ["alice", "Bob", "carol", "zed"]); // "Ann" sorts with the @usernames
+        let v = sorted(&all, NameMode::RealName, SortKey::Name, false);
+        assert_eq!(logins(&v), ["zed", "carol", "Bob", "alice"]); // "Dana" between bob and zed
+    }
+
+    #[test]
+    fn delta_and_dates() {
+        let all = people();
+        let v = sorted(&all, NameMode::Username, SortKey::LinesDelta, false);
+        assert_eq!(logins(&v), ["Bob", "alice", "carol", "zed"]);
+        let v = sorted(&all, NameMode::Username, SortKey::FirstCommit, true);
+        assert_eq!(logins(&v), ["Bob", "zed", "carol", "alice"]); // undated last
+    }
+
+    #[test]
+    fn formatting() {
+        assert_eq!(group(1234567), "1,234,567");
+        assert_eq!(group(12), "12");
+        assert_eq!(signed(-1000), "−1,000");
+        assert_eq!(day("2026-10-07T18:45:23Z"), "2026-10-07");
+        assert_eq!(day(""), "—");
+    }
+}
diff --git a/crates/ui-egui/src/dialogs.rs b/crates/ui-egui/src/dialogs.rs
index 667d471f..5e2dfa28 100644
--- a/crates/ui-egui/src/dialogs.rs
+++ b/crates/ui-egui/src/dialogs.rs
@@ -99,8 +99,15 @@ pub fn show(app: &mut PhotocraftApp, ctx: &egui::Context) {
             if d.kind == DialogKind::NewDocument {
                 ui.set_min_width(800.0);
             }
+            // The About window: room for the contributor table, the same width on every tab.
+            let about_tabs = d.kind == DialogKind::About && d.fields.get("systemInfo").and_then(Value::as_bool) != Some(true);
+            if about_tabs {
+                ui.set_min_width(700.0);
+            }
             ui.set_max_width(wide.unwrap_or(if d.kind == DialogKind::NewDocument {
                 800.0
+            } else if about_tabs {
+                700.0
             } else if d.kind == DialogKind::LayerStyle || d.fields.contains_key("__export") || crate::color_picker_ui::owns(&d.fields) {
                 600.0
             } else {
@@ -129,16 +136,37 @@ pub fn show(app: &mut PhotocraftApp, ctx: &egui::Context) {
                     }
                 }
                 DialogKind::About => {
-                    ui.label(tl!("PhotoCraft — an open-source, native image editor written in Rust."));
-                    ui.label(crate::i18n::fmt(tl!("Version {version}"), &[("version", &photocraft_engine::build_info::long_version())]));
-                    ui.add_space(12.0);
-                    ui.vertical_centered(|ui| {
-                        crate::links::discord_button(app, ui, 220.0);
-                        ui.add_space(8.0);
-                        crate::links::link_row(app, ui);
+                    // Tabs About · Contributors · Models (craftrules standards/contributors.md). The
+                    // tab is a dialog field, so automation can switch it with `ui.dialog.set`.
+                    let tab = about_tab(&fields);
+                    let mut chosen = tab;
+                    ui.horizontal(|ui| {
+                        for (key, label) in [("about", tl!("About")), ("contributors", tl!("Contributors")), ("models", tl!("Models"))] {
+                            if crate::widgets::pill_tab(ui, label, tab == key).clicked() {
+                                chosen = key;
+                            }
+                        }
                     });
-                    ui.add_space(10.0);
-                    ui.weak("egui · wgpu · photocraft-engine");
+                    if chosen != tab {
+                        fields.insert("tab".into(), json!(chosen));
+                    }
+                    ui.add_space(8.0);
+                    match chosen {
+                        "contributors" => crate::credits::contributors_ui(ui),
+                        "models" => crate::credits::models_ui(ui),
+                        _ => {
+                            ui.label(tl!("PhotoCraft — an open-source, native image editor written in Rust."));
+                            ui.label(crate::i18n::fmt(tl!("Version {version}"), &[("version", &photocraft_engine::build_info::long_version())]));
+                            ui.add_space(12.0);
+                            ui.vertical_centered(|ui| {
+                                crate::links::discord_button(app, ui, 220.0);
+                                ui.add_space(8.0);
+                                crate::links::link_row(app, ui);
+                            });
+                            ui.add_space(10.0);
+                            ui.weak("egui · wgpu · photocraft-engine");
+                        }
+                    }
                 }
                 DialogKind::Command if crate::fill_ui::owns(&fields) => crate::fill_ui::body(app, ui, &mut fields),
                 DialogKind::Command if crate::rasterize_prompt::owns(&fields) => crate::rasterize_prompt::body(ui, &fields),
@@ -239,6 +267,15 @@ pub fn show(app: &mut PhotocraftApp, ctx: &egui::Context) {
     ctx.data_mut(|m| m.insert_temp(egui::Id::new(RECTS), shown));
 }
 
+/// The About window's tabs, as stored in its `tab` field.
+pub const ABOUT_TABS: [&str; 3] = ["about", "contributors", "models"];
+
+/// The About tab to show: the `tab` field when it names one, otherwise "about".
+fn about_tab(fields: &serde_json::Map<String, Value>) -> &'static str {
+    let want = fields.get("tab").and_then(Value::as_str).unwrap_or("");
+    ABOUT_TABS.iter().copied().find(|t| *t == want).unwrap_or("about")
+}
+
 /// The dialog title as shown: [`title`] in the UI language.
 fn display_title(d: &Dialog) -> String {
     match d.kind {
diff --git a/crates/ui-egui/src/i18n/cs.tsv b/crates/ui-egui/src/i18n/cs.tsv
index 14c3b489..ddcab561 100644
--- a/crates/ui-egui/src/i18n/cs.tsv
+++ b/crates/ui-egui/src/i18n/cs.tsv
@@ -2093,3 +2093,36 @@ cameraRaw	Color	Barvy
 	Magnetic Lasso Tool	Nástroj magnetické laso
 	Frequency	Frekvence
 	Use tablet pressure to change pen width	Měnit šířku pera přítlakem tabletu
+
+# About ▸ Contributors / Models (credits, craftrules standards/contributors.md)
+	About	O aplikaci
+	Contributors	Přispěvatelé
+	Models	Modely
+	Sort	Řadit
+	Username	Uživatelské jméno
+	Display name	Zobrazované jméno
+	Real name	Skutečné jméno
+	Reverse the order	Obrátit pořadí
+	Grab bag	Výčet
+	Table	Tabulka
+	Name (A–Z)	Jméno (A–Z)
+	Merged PRs	Sloučené PR
+	Commits	Commity
+	Lines added	Přidané řádky
+	Lines deleted	Smazané řádky
+	Line delta	Rozdíl řádků
+	Binary assets added	Přidané binární soubory
+	Binary assets removed	Odebrané binární soubory
+	First commit	První commit
+	First	První
+	Last commit	Poslední commit
+	Last	Poslední
+	Contributors: {contributors} · Commits: {commits}	Přispěvatelé: {contributors} · Commity: {commits}
+	No contributor data was built into this copy.	Tato kopie neobsahuje údaje o přispěvatelích.
+	No model credits were built into this copy.	Tato kopie neobsahuje údaje o modelech.
+	Company	Společnost
+	Model	Model
+	Version	Verze
+	% of all commits	% všech commitů
+	Lines +/−	Řádky +/−
+	@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} lines (Δ {delta}), +{binAdded} / −{binDeleted} binary assets, {first} – {last}	@{login}: PR: {prs}, commity: {commits}, řádky +{added} / −{deleted} (Δ {delta}), binární soubory +{binAdded} / −{binDeleted}, {first} – {last}
diff --git a/crates/ui-egui/src/i18n/de.tsv b/crates/ui-egui/src/i18n/de.tsv
index 2186dcd6..36dbad1f 100644
--- a/crates/ui-egui/src/i18n/de.tsv
+++ b/crates/ui-egui/src/i18n/de.tsv
@@ -2135,3 +2135,34 @@
 	Magnetic Lasso Tool	Magnetisches-Lasso-Werkzeug
 	Frequency	Frequenz
 	Use tablet pressure to change pen width	Tablettdruck zum Ändern der Stiftbreite verwenden
+# About ▸ Contributors / Models (credits, craftrules standards/contributors.md)
+	About	Über
+	Contributors	Mitwirkende
+	Models	Modelle
+	Sort	Sortieren
+	Username	Benutzername
+	Display name	Anzeigename
+	Real name	Echter Name
+	Reverse the order	Reihenfolge umkehren
+	Grab bag	Wortwolke
+	Table	Tabelle
+	Name (A–Z)	Name (A–Z)
+	Merged PRs	Gemergte PRs
+	Commits	Commits
+	Lines added	Hinzugefügte Zeilen
+	Lines deleted	Gelöschte Zeilen
+	Line delta	Zeilensaldo
+	Binary assets added	Hinzugefügte Binärdateien
+	Binary assets removed	Entfernte Binärdateien
+	First commit	Erster Commit
+	First	Erster
+	Last commit	Letzter Commit
+	Last	Letzter
+	Contributors: {contributors} · Commits: {commits}	Mitwirkende: {contributors} · Commits: {commits}
+	No contributor data was built into this copy.	In diese Kopie wurden keine Mitwirkendendaten eingebaut.
+	No model credits were built into this copy.	In diese Kopie wurden keine Modellnennungen eingebaut.
+	Company	Firma
+	Version	Version
+	% of all commits	% aller Commits
+	Lines +/−	Zeilen +/−
+	@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} lines (Δ {delta}), +{binAdded} / −{binDeleted} binary assets, {first} – {last}	@{login}: {prs} PRs, {commits} Commits, +{added} / −{deleted} Zeilen (Δ {delta}), +{binAdded} / −{binDeleted} Binärdateien, {first} – {last}
diff --git a/crates/ui-egui/src/i18n/es.tsv b/crates/ui-egui/src/i18n/es.tsv
index dc2deadc..fcfd2f7d 100644
--- a/crates/ui-egui/src/i18n/es.tsv
+++ b/crates/ui-egui/src/i18n/es.tsv
@@ -2166,3 +2166,35 @@ cameraRaw	Amount	Cantidad
 	Magnetic Lasso Tool	Herramienta Lazo magnético
 	Frequency	Frecuencia
 	Use tablet pressure to change pen width	Usar la presión de la tableta para cambiar la anchura del lápiz
+
+# About ▸ Contributors / Models (credits, craftrules standards/contributors.md)
+	About	Acerca de
+	Contributors	Colaboradores
+	Models	Modelos
+	Sort	Ordenar
+	Username	Nombre de usuario
+	Display name	Nombre visible
+	Real name	Nombre real
+	Reverse the order	Invertir el orden
+	Grab bag	Lista libre
+	Table	Tabla
+	Name (A–Z)	Nombre (A–Z)
+	Merged PRs	PR fusionadas
+	Commits	Commits
+	Lines added	Líneas añadidas
+	Lines deleted	Líneas eliminadas
+	Line delta	Balance de líneas
+	Binary assets added	Archivos binarios añadidos
+	Binary assets removed	Archivos binarios eliminados
+	First commit	Primer commit
+	First	Primero
+	Last commit	Último commit
+	Last	Último
+	Contributors: {contributors} · Commits: {commits}	Colaboradores: {contributors} · Commits: {commits}
+	No contributor data was built into this copy.	Esta copia no incluye datos de colaboradores.
+	No model credits were built into this copy.	Esta copia no incluye créditos de modelos.
+	Company	Empresa
+	Version	Versión
+	% of all commits	% de todos los commits
+	Lines +/−	Líneas +/−
+	@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} lines (Δ {delta}), +{binAdded} / −{binDeleted} binary assets, {first} – {last}	@{login}: {prs} PR, {commits} commits, +{added} / −{deleted} líneas (Δ {delta}), +{binAdded} / −{binDeleted} archivos binarios, {first} – {last}
diff --git a/crates/ui-egui/src/i18n/fr.tsv b/crates/ui-egui/src/i18n/fr.tsv
index 03f40531..90845ac4 100644
--- a/crates/ui-egui/src/i18n/fr.tsv
+++ b/crates/ui-egui/src/i18n/fr.tsv
@@ -2526,3 +2526,35 @@ cameraRaw	Blending	Fusion
 	Magnetic Lasso Tool	Outil Lasso magnétique
 	Frequency	Fréquence
 	Use tablet pressure to change pen width	Utiliser la pression de la tablette pour modifier la largeur de la plume
+
+# About ▸ Contributors / Models (credits, craftrules standards/contributors.md)
+	About	À propos
+	Contributors	Contributeurs
+	Models	Modèles
+	Sort	Trier
+	Username	Nom d'utilisateur
+	Display name	Nom affiché
+	Real name	Nom réel
+	Reverse the order	Inverser l'ordre
+	Grab bag	Vrac
+	Table	Tableau
+	Name (A–Z)	Nom (A–Z)
+	Merged PRs	PR fusionnées
+	Commits	Commits
+	Lines added	Lignes ajoutées
+	Lines deleted	Lignes supprimées
+	Line delta	Solde de lignes
+	Binary assets added	Fichiers binaires ajoutés
+	Binary assets removed	Fichiers binaires supprimés
+	First commit	Premier commit
+	First	Premier
+	Last commit	Dernier commit
+	Last	Dernier
+	Contributors: {contributors} · Commits: {commits}	Contributeurs : {contributors} · Commits : {commits}
+	No contributor data was built into this copy.	Aucune donnée de contributeurs n'est incluse dans cette copie.
+	No model credits were built into this copy.	Aucun crédit de modèle n'est inclus dans cette copie.
+	Company	Société
+	Version	Version
+	% of all commits	% de tous les commits
+	Lines +/−	Lignes +/−
+	@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} lines (Δ {delta}), +{binAdded} / −{binDeleted} binary assets, {first} – {last}	@{login} : {prs} PR, {commits} commits, +{added} / −{deleted} lignes (Δ {delta}), +{binAdded} / −{binDeleted} fichiers binaires, {first} – {last}
diff --git a/crates/ui-egui/src/i18n/id.tsv b/crates/ui-egui/src/i18n/id.tsv
index 354f1025..7e386624 100644
--- a/crates/ui-egui/src/i18n/id.tsv
+++ b/crates/ui-egui/src/i18n/id.tsv
@@ -2513,3 +2513,35 @@ cameraRaw	Blending	Pembauran
 	Magnetic Lasso Tool	Alat Magnetic Lasso
 	Frequency	Frekuensi
 	Use tablet pressure to change pen width	Gunakan tekanan tablet untuk mengubah lebar pena
+
+# About ▸ Contributors / Models (credits, craftrules standards/contributors.md)
+	About	Tentang
+	Contributors	Kontributor
+	Models	Model
+	Sort	Urutkan
+	Username	Nama pengguna
+	Display name	Nama tampilan
+	Real name	Nama asli
+	Reverse the order	Balik urutan
+	Grab bag	Daftar bebas
+	Table	Tabel
+	Name (A–Z)	Nama (A–Z)
+	Merged PRs	PR yang digabung
+	Commits	Commit
+	Lines added	Baris ditambah
+	Lines deleted	Baris dihapus
+	Line delta	Selisih baris
+	Binary assets added	Berkas biner ditambah
+	Binary assets removed	Berkas biner dihapus
+	First commit	Commit pertama
+	First	Pertama
+	Last commit	Commit terakhir
+	Last	Terakhir
+	Contributors: {contributors} · Commits: {commits}	Kontributor: {contributors} · Commit: {commits}
+	No contributor data was built into this copy.	Salinan ini tidak memuat data kontributor.
+	No model credits were built into this copy.	Salinan ini tidak memuat kredit model.
+	Company	Perusahaan
+	Version	Versi
+	% of all commits	% dari semua commit
+	Lines +/−	Baris +/−
+	@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} lines (Δ {delta}), +{binAdded} / −{binDeleted} binary assets, {first} – {last}	@{login}: {prs} PR, {commits} commit, +{added} / −{deleted} baris (Δ {delta}), +{binAdded} / −{binDeleted} berkas biner, {first} – {last}
diff --git a/crates/ui-egui/src/i18n/it.tsv b/crates/ui-egui/src/i18n/it.tsv
index 7f91c6d5..ec84fa11 100644
--- a/crates/ui-egui/src/i18n/it.tsv
+++ b/crates/ui-egui/src/i18n/it.tsv
@@ -2168,3 +2168,35 @@ cameraRaw	Amount	Quantità
 	Magnetic Lasso Tool	Strumento Lazo magnetico
 	Frequency	Frequenza
 	Use tablet pressure to change pen width	Usa pressione tavoletta per cambiare la larghezza della penna
+
+# About ▸ Contributors / Models (credits, craftrules standards/contributors.md)
+	About	Informazioni
+	Contributors	Collaboratori
+	Models	Modelli
+	Sort	Ordina
+	Username	Nome utente
+	Display name	Nome visualizzato
+	Real name	Nome reale
+	Reverse the order	Inverti l'ordine
+	Grab bag	Elenco libero
+	Table	Tabella
+	Name (A–Z)	Nome (A–Z)
+	Merged PRs	PR unite
+	Commits	Commit
+	Lines added	Righe aggiunte
+	Lines deleted	Righe eliminate
+	Line delta	Differenza righe
+	Binary assets added	Risorse binarie aggiunte
+	Binary assets removed	Risorse binarie rimosse
+	First commit	Primo commit
+	First	Primo
+	Last commit	Ultimo commit
+	Last	Ultimo
+	Contributors: {contributors} · Commits: {commits}	Collaboratori: {contributors} · Commit: {commits}
+	No contributor data was built into this copy.	Questa copia non include dati sui collaboratori.
+	No model credits were built into this copy.	Questa copia non include i crediti dei modelli.
+	Company	Azienda
+	Version	Versione
+	% of all commits	% di tutti i commit
+	Lines +/−	Righe +/−
+	@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} lines (Δ {delta}), +{binAdded} / −{binDeleted} binary assets, {first} – {last}	@{login}: {prs} PR, {commits} commit, +{added} / −{deleted} righe (Δ {delta}), +{binAdded} / −{binDeleted} risorse binarie, {first} – {last}
diff --git a/crates/ui-egui/src/i18n/ja.tsv b/crates/ui-egui/src/i18n/ja.tsv
index 4d6266dc..135b242d 100644
--- a/crates/ui-egui/src/i18n/ja.tsv
+++ b/crates/ui-egui/src/i18n/ja.tsv
@@ -2077,3 +2077,36 @@ cameraRaw	Color	カラー
 	Magnetic Lasso Tool	マグネット選択ツール
 	Frequency	頻度
 	Use tablet pressure to change pen width	タブレットの筆圧を使用してペンの幅を変更
+
+# About ▸ Contributors / Models (credits, craftrules standards/contributors.md)
+	About	バージョン情報
+	Contributors	コントリビューター
+	Models	モデル
+	Sort	並べ替え
+	Username	ユーザー名
+	Display name	表示名
+	Real name	本名
+	Reverse the order	順序を反転
+	Grab bag	一覧
+	Table	表
+	Name (A–Z)	名前 (A–Z)
+	Merged PRs	マージされた PR
+	Commits	コミット
+	Lines added	追加行数
+	Lines deleted	削除行数
+	Line delta	行数の増減
+	Binary assets added	追加したバイナリ
+	Binary assets removed	削除したバイナリ
+	First commit	最初のコミット
+	First	最初
+	Last commit	最後のコミット
+	Last	最後
+	Contributors: {contributors} · Commits: {commits}	コントリビューター: {contributors} · コミット: {commits}
+	No contributor data was built into this copy.	このコピーにはコントリビューターのデータが含まれていません。
+	No model credits were built into this copy.	このコピーにはモデルのクレジットが含まれていません。
+	Company	会社
+	Model	モデル
+	Version	バージョン
+	% of all commits	全コミットに占める割合 (%)
+	Lines +/−	行数 +/−
+	@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} lines (Δ {delta}), +{binAdded} / −{binDeleted} binary assets, {first} – {last}	@{login}: PR {prs} 件、コミット {commits} 件、行 +{added} / −{deleted} (Δ {delta})、バイナリ +{binAdded} / −{binDeleted}、{first} – {last}
diff --git a/crates/ui-egui/src/i18n/ko.tsv b/crates/ui-egui/src/i18n/ko.tsv
index 1a3ce6e5..95e0a5d4 100644
--- a/crates/ui-egui/src/i18n/ko.tsv
+++ b/crates/ui-egui/src/i18n/ko.tsv
@@ -2679,3 +2679,35 @@ cameraRaw	Color	색상
 	Magnetic Lasso Tool	자석 올가미 도구
 	Frequency	빈도
 	Use tablet pressure to change pen width	태블릿 압력을 사용하여 펜 폭 변경
+
+# About ▸ Contributors / Models (credits, craftrules standards/contributors.md)
+	About	정보
+	Contributors	기여자
+	Models	모델
+	Sort	정렬
+	Username	사용자 이름
+	Display name	표시 이름
+	Real name	실명
+	Reverse the order	순서 뒤집기
+	Grab bag	나열
+	Table	표
+	Name (A–Z)	이름 (A–Z)
+	Merged PRs	병합된 PR
+	Commits	커밋
+	Lines added	추가된 줄
+	Lines deleted	삭제된 줄
+	Line delta	줄 증감
+	Binary assets added	추가된 바이너리
+	Binary assets removed	삭제된 바이너리
+	First commit	첫 커밋
+	First	처음
+	Last commit	마지막 커밋
+	Last	마지막
+	Contributors: {contributors} · Commits: {commits}	기여자: {contributors} · 커밋: {commits}
+	No contributor data was built into this copy.	이 사본에는 기여자 데이터가 포함되어 있지 않습니다.
+	No model credits were built into this copy.	이 사본에는 모델 크레딧이 포함되어 있지 않습니다.
+	Company	회사
+	Version	버전
+	% of all commits	전체 커밋 대비 %
+	Lines +/−	줄 +/−
+	@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} lines (Δ {delta}), +{binAdded} / −{binDeleted} binary assets, {first} – {last}	@{login}: PR {prs}개, 커밋 {commits}개, 줄 +{added} / −{deleted} (Δ {delta}), 바이너리 +{binAdded} / −{binDeleted}, {first} – {last}
diff --git a/crates/ui-egui/src/i18n/pt-br.tsv b/crates/ui-egui/src/i18n/pt-br.tsv
index 4c9d5280..203145cd 100644
--- a/crates/ui-egui/src/i18n/pt-br.tsv
+++ b/crates/ui-egui/src/i18n/pt-br.tsv
@@ -2534,3 +2534,34 @@ cameraRaw	Whites	Brancos
 	Magnetic Lasso Tool	Ferramenta Laço magnético
 	Frequency	Frequência
 	Use tablet pressure to change pen width	Usar a pressão da mesa digitalizadora para alterar a largura da caneta
+# About ▸ Contributors / Models (credits, craftrules standards/contributors.md)
+	About	Sobre
+	Contributors	Colaboradores
+	Models	Modelos
+	Sort	Ordenar
+	Username	Nome de usuário
+	Display name	Nome de exibição
+	Real name	Nome real
+	Reverse the order	Inverter a ordem
+	Grab bag	Lista corrida
+	Table	Tabela
+	Name (A–Z)	Nome (A–Z)
+	Merged PRs	PRs mesclados
+	Commits	Commits
+	Lines added	Linhas adicionadas
+	Lines deleted	Linhas removidas
+	Line delta	Saldo de linhas
+	Binary assets added	Arquivos binários adicionados
+	Binary assets removed	Arquivos binários removidos
+	First commit	Primeiro commit
+	First	Primeiro
+	Last commit	Último commit
+	Last	Último
+	Contributors: {contributors} · Commits: {commits}	Colaboradores: {contributors} · Commits: {commits}
+	No contributor data was built into this copy.	Esta cópia não inclui dados de colaboradores.
+	No model credits were built into this copy.	Esta cópia não inclui créditos de modelos.
+	Company	Empresa
+	Version	Versão
+	% of all commits	% de todos os commits
+	Lines +/−	Linhas +/−
+	@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} lines (Δ {delta}), +{binAdded} / −{binDeleted} binary assets, {first} – {last}	@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} linhas (Δ {delta}), +{binAdded} / −{binDeleted} arquivos binários, {first} – {last}
diff --git a/crates/ui-egui/src/i18n/ru.tsv b/crates/ui-egui/src/i18n/ru.tsv
index 0c808ae7..3cbc9450 100644
--- a/crates/ui-egui/src/i18n/ru.tsv
+++ b/crates/ui-egui/src/i18n/ru.tsv
@@ -2369,3 +2369,35 @@ cameraRaw	Roughness	Неровность
 	Magnetic Lasso Tool	Магнитное лассо
 	Frequency	Частота
 	Use tablet pressure to change pen width	Использовать нажим планшета для изменения ширины пера
+
+# About ▸ Contributors / Models (credits, craftrules standards/contributors.md)
+	About	О программе
+	Contributors	Участники
+	Models	Модели
+	Sort	Сортировка
+	Username	Имя пользователя
+	Display name	Отображаемое имя
+	Real name	Настоящее имя
+	Reverse the order	Обратный порядок
+	Grab bag	Списком
+	Table	Таблица
+	Name (A–Z)	Имя (А–Я)
+	Merged PRs	Принятые PR
+	Commits	Коммиты
+	Lines added	Добавлено строк
+	Lines deleted	Удалено строк
+	Line delta	Разница строк
+	Binary assets added	Добавлено двоичных файлов
+	Binary assets removed	Удалено двоичных файлов
+	First commit	Первый коммит
+	First	Первый
+	Last commit	Последний коммит
+	Last	Последний
+	Contributors: {contributors} · Commits: {commits}	Участники: {contributors} · Коммиты: {commits}
+	No contributor data was built into this copy.	В эту копию не встроены данные об участниках.
+	No model credits were built into this copy.	В эту копию не встроены сведения о моделях.
+	Company	Компания
+	Version	Версия
+	% of all commits	% от всех коммитов
+	Lines +/−	Строки +/−
+	@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} lines (Δ {delta}), +{binAdded} / −{binDeleted} binary assets, {first} – {last}	@{login}: PR: {prs}, коммиты: {commits}, строки +{added} / −{deleted} (Δ {delta}), двоичные файлы +{binAdded} / −{binDeleted}, {first} – {last}
diff --git a/crates/ui-egui/src/i18n/zh-hans.tsv b/crates/ui-egui/src/i18n/zh-hans.tsv
index eb84b7a2..0cc1d779 100644
--- a/crates/ui-egui/src/i18n/zh-hans.tsv
+++ b/crates/ui-egui/src/i18n/zh-hans.tsv
@@ -2102,3 +2102,36 @@ cameraRaw	Blending	混合
 	Magnetic Lasso Tool	磁性套索工具
 	Frequency	频率
 	Use tablet pressure to change pen width	使用绘图板压力以更改钢笔宽度
+
+# About ▸ Contributors / Models (credits, craftrules standards/contributors.md)
+	About	关于
+	Contributors	贡献者
+	Models	模型
+	Sort	排序
+	Username	用户名
+	Display name	显示名称
+	Real name	真实姓名
+	Reverse the order	反转顺序
+	Grab bag	列表
+	Table	表格
+	Name (A–Z)	名称 (A–Z)
+	Merged PRs	已合并的 PR
+	Commits	提交
+	Lines added	新增行数
+	Lines deleted	删除行数
+	Line delta	行数增减
+	Binary assets added	新增二进制文件
+	Binary assets removed	删除二进制文件
+	First commit	首次提交
+	First	首次
+	Last commit	最近提交
+	Last	最近
+	Contributors: {contributors} · Commits: {commits}	贡献者：{contributors} · 提交：{commits}
+	No contributor data was built into this copy.	此副本未内置贡献者数据。
+	No model credits were built into this copy.	此副本未内置模型致谢。
+	Company	公司
+	Model	模型
+	Version	版本
+	% of all commits	占全部提交的 %
+	Lines +/−	行数 +/−
+	@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} lines (Δ {delta}), +{binAdded} / −{binDeleted} binary assets, {first} – {last}	@{login}：{prs} 个 PR，{commits} 次提交，行 +{added} / −{deleted}（Δ {delta}），二进制文件 +{binAdded} / −{binDeleted}，{first} – {last}
diff --git a/crates/ui-egui/src/i18n/zh-hant.tsv b/crates/ui-egui/src/i18n/zh-hant.tsv
index 6d75e569..799ca417 100644
--- a/crates/ui-egui/src/i18n/zh-hant.tsv
+++ b/crates/ui-egui/src/i18n/zh-hant.tsv
@@ -2071,3 +2071,36 @@ cameraRaw	Blending	混合
 	Magnetic Lasso Tool	磁性套索工具
 	Frequency	頻率
 	Use tablet pressure to change pen width	使用繪圖板壓力以變更鋼筆寬度
+
+# About ▸ Contributors / Models (credits, craftrules standards/contributors.md)
+	About	關於
+	Contributors	貢獻者
+	Models	模型
+	Sort	排序
+	Username	使用者名稱
+	Display name	顯示名稱
+	Real name	真實姓名
+	Reverse the order	反轉順序
+	Grab bag	清單
+	Table	表格
+	Name (A–Z)	名稱 (A–Z)
+	Merged PRs	已合併的 PR
+	Commits	提交
+	Lines added	新增行數
+	Lines deleted	刪除行數
+	Line delta	行數增減
+	Binary assets added	新增二進位檔
+	Binary assets removed	刪除二進位檔
+	First commit	首次提交
+	First	首次
+	Last commit	最近提交
+	Last	最近
+	Contributors: {contributors} · Commits: {commits}	貢獻者：{contributors} · 提交：{commits}
+	No contributor data was built into this copy.	此副本未內建貢獻者資料。
+	No model credits were built into this copy.	此副本未內建模型致謝。
+	Company	公司
+	Model	模型
+	Version	版本
+	% of all commits	佔全部提交的 %
+	Lines +/−	行數 +/−
+	@{login}: {prs} PRs, {commits} commits, +{added} / −{deleted} lines (Δ {delta}), +{binAdded} / −{binDeleted} binary assets, {first} – {last}	@{login}：{prs} 個 PR，{commits} 次提交，行 +{added} / −{deleted}（Δ {delta}），二進位檔 +{binAdded} / −{binDeleted}，{first} – {last}
diff --git a/crates/ui-egui/src/lib.rs b/crates/ui-egui/src/lib.rs
index f428ec16..8e974c4f 100644
--- a/crates/ui-egui/src/lib.rs
+++ b/crates/ui-egui/src/lib.rs
@@ -41,6 +41,7 @@ pub mod color_picker_ui;
 pub mod color_range_ui;
 pub mod comps_ui;
 pub mod control;
+pub mod credits;
 pub mod crop_ui;
 pub mod dialogs;
 pub mod discard_ui;
diff --git a/docs/contributors.md b/docs/contributors.md
new file mode 100644
index 00000000..a6e16252
--- /dev/null
+++ b/docs/contributors.md
@@ -0,0 +1,57 @@
+# Contributors in the About window
+
+**About ▸ Contributors** credits everyone who contributed to PhotoCraft, and **About ▸ Models** credits
+the AI models named in `Co-Authored-By` trailers. This follows the shared craftrules standard
+[`standards/contributors.md`](https://github.com/storytold/craftrules/blob/main/standards/contributors.md);
+this page is the local copy of the decision.
+
+## Decision
+
+- Two files, both **compiled into the binary** by the UI crate's `build.rs` (nothing is read from
+  disk or the network at run time; the web build has them too):
+  - [`contributors/contributors.json`](../contributors/contributors.json): commit stats per GitHub
+    username. **Generated** by `craftrules/scripts/contributors.py`; never hand-edit.
+  - [`contributors/people.toml`](../contributors/people.toml): the names people chose for
+    themselves. **Each contributor adds only their own entry**, in their own PR.
+- Each contributor gets one line: GitHub username (always), display name (opt-in, or their synced
+  GitHub profile name), real name (only if they told us), merged PRs, commits, lines added, lines
+  deleted, binary assets added, binary assets removed, first and last commit date.
+- The list is shown as a **grab bag** (names flowing as text) or a **table**, in the same order. It
+  sorts by name, PRs, commits, lines added, lines deleted, line delta, binary assets added/removed,
+  first or last commit date. The name toggle cycles **Username → Display name → Real name**; a
+  missing name falls back to `@username`. Alphabetical sorting is case-insensitive and ignores the `@`.
+
+## In PhotoCraft
+
+- The About window is `DialogKind::About` in `crates/ui-egui/src/dialogs.rs` (Help ▸ About PhotoCraft).
+  Its tab is the dialog field `tab` (`about`, `contributors`, `models`), so agents can switch it with
+  `ui.dialog.set`. Labels are translated like the rest of the shell (`tl!` + `crates/ui-egui/src/i18n/*.tsv`).
+
+## Credit yourself
+
+Add your entry to `contributors/people.toml` in a PR you commit yourself (every field optional):
+
+```toml
+[people.your-github-username]
+real_name = "Your Name"
+display_name = "Nickname"
+sync_github_name = true   # use the name on your public GitHub profile as display name
+```
+
+or, with craftrules checked out next to `craft-apps/`:
+
+```sh
+python3 ../../craftrules/scripts/contributors.py --add-me . --real-name "Your Name" --sync-github-name
+```
+
+Names show after the next refresh: the script checks that each entry was committed by its own
+user (or by a maintainer with a `consent_source`). Delete your entry to remove your names.
+
+## Refreshing (maintainers)
+
+```sh
+python3 ../../craftrules/scripts/contributors.py .           # regenerate + verify; needs git, Python 3.11+, gh
+python3 ../../craftrules/scripts/contributors.py --check .   # verify people.toml only
+```
+
+Commit the updated `contributors/contributors.json`. Git author names and emails are never recorded.