Add Project Home, Auth Bridge, shared auth token, and Tier-1 polish

Project Home (DESIGN-REVIEW §B2): the project is promoted from a 280px
sidebar card to a first-class main-area view. ProjectCard.tsx (1,257
lines) is replaced by a select-only ProjectRow plus tabs for Overview,
Sessions, Automation, Config and Files. The PortMappings, FileManager
and ContainerProgress modals are absorbed rather than reimplemented.
Config gains a Saved/Saving/Failed indicator — save-on-blur failures
previously reached only console.error.

Tier-1 polish (DESIGN-REVIEW §A): new elevation, muted-accent, disabled
and focus-ring tokens; a global :focus-visible ring with every
focus:outline-none removed; filled buttons moved to --accent-emphasis
and white-on-success toggles retired, fixing three WCAG AA failures
(2.1:1, 2.5:1, 2.4:1); a shared Modal primitive with role="dialog",
focus trap and restore, adopted by all remaining modals; status
indicators that carry a glyph and word rather than colour alone.

Ctrl+Shift+W closes a tab, deliberately not Ctrl+W — that is readline's
kill-word, used constantly in the terminal this app is built around.

Auth Bridge: a general loopback-callback bridge so browser logins run
inside a container (aws sso login, Concourse fly login, claude login)
can complete against the host browser. Listeners are discovered from
/proc/net/tcp{,6} — ss/netstat/lsof are absent from the image — bound on
host 127.0.0.1 only, and tunnelled in over the Docker API via socat,
which keeps working on Docker Desktop where container IPs are not
routable. Falls back to [::1] because Node resolves localhost to IPv6
first, so claude login often binds ::1 alone. Opt-in per project.

This extracts create_attached_exec() and moves the existing terminal
session path onto it, so there is one attached-exec implementation
rather than two.

Shared auth token: `claude setup-token` is run in a container, the token
is stored in the OS keychain and injected as CLAUDE_CODE_OAUTH_TOKEN
into Anthropic-backend projects. Contrary to the initial design note,
setup-token uses an Anthropic-hosted redirect and blocks on a stdin
paste prompt rather than a loopback callback, so a stdin command is
required for the flow to complete.

The token is never logged, never returned to the frontend, and is
redacted from the streamed output with a stateful matcher that withholds
any tail that could still grow into a secret. Change detection uses a
random rotation id rather than a hash, since a hash in a docker-inspect
readable label would be an offline verification oracle.

Frontend 33 -> 51 tests; Rust 34 tests. Both builds clean.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

app/src/components/DockerInstallDialog.tsx

@@ -1,7 +1,9 @@
-import { useCallback, useEffect, useRef, useState } from "react";
+import { useEffect, useState } from "react";
 import { openUrl } from "@tauri-apps/plugin-opener";
 import { useInstallHelper } from "../hooks/useInstallHelper";
 import { useDocker } from "../hooks/useDocker";
+import Modal from "./ui/Modal";
+import Button from "./ui/Button";
 
 interface Props {
   onClose: () => void;
@@ -16,27 +18,11 @@ export default function DockerInstallDialog({ onClose }: Props) {
   const [phase, setPhase] = useState<Phase>("idle");
   const [log, setLog] = useState<string[]>([]);
   const [error, setError] = useState<string | null>(null);
-  const overlayRef = useRef<HTMLDivElement>(null);
 
   useEffect(() => {
     loadOptions();
   }, [loadOptions]);
 
-  useEffect(() => {
-    const onKey = (e: KeyboardEvent) => {
-      if (e.key === "Escape" && phase !== "installing") onClose();
-    };
-    document.addEventListener("keydown", onKey);
-    return () => document.removeEventListener("keydown", onKey);
-  }, [onClose, phase]);
-
-  const handleOverlayClick = useCallback(
-    (e: React.MouseEvent<HTMLDivElement>) => {
-      if (e.target === overlayRef.current && phase !== "installing") onClose();
-    },
-    [onClose, phase],
-  );
-
   const handleInstall = async () => {
     setPhase("installing");
     setLog([]);
@@ -70,142 +56,122 @@ export default function DockerInstallDialog({ onClose }: Props) {
     return null;
   }
 
-  const installVerb = phase === "installing" ? "Installing…" : `Install ${options.product_name}`;
+  const installVerb =
+    phase === "installing" ? "Installing…" : `Install ${options.product_name}`;
 
   return (
-    <div
-      ref={overlayRef}
-      onClick={handleOverlayClick}
-      className="fixed inset-0 bg-black/50 flex items-center justify-center z-50"
+    <Modal
+      title="Docker not detected"
+      onClose={onClose}
+      widthClassName="w-[34rem]"
+      // Closing mid-install would orphan a privileged installer.
+      dismissible={phase !== "installing"}
+      footer={
+        phase === "idle" ? (
+          <Button variant="ghost" onClick={onClose}>
+            Dismiss
+          </Button>
+        ) : undefined
+      }
     >
-      <div className="bg-[var(--bg-secondary)] border border-[var(--border-color)] rounded-lg p-6 w-[32rem] max-h-[85vh] overflow-y-auto shadow-xl">
-        <h2 className="text-lg font-semibold mb-1">Docker not detected</h2>
-        <p className="text-sm text-[var(--text-secondary)] mb-4">
-          Triple-C needs a Docker-compatible runtime to manage sandboxed project containers.
-          We can install <span className="text-[var(--text-primary)]">{options.product_name}</span>{" "}
-          for you, or you can follow the official instructions.
-        </p>
+      <p className="text-[13px] text-[var(--text-secondary)] mb-4">
+        Triple-C needs a Docker-compatible runtime to manage sandboxed project
+        containers. We can install{" "}
+        <span className="text-[var(--text-primary)]">{options.product_name}</span> for
+        you, or you can follow the official instructions.
+      </p>
 
-        {phase === "idle" && (
-          <div className="flex flex-col gap-2">
-            {options.can_auto_install ? (
-              <button
-                onClick={handleInstall}
-                className="px-3 py-2 text-sm bg-[var(--accent)] text-white rounded hover:bg-[var(--accent-hover)] transition-colors"
-              >
-                {installVerb} ({options.auto_install_method})
-              </button>
-            ) : (
-              <div className="text-xs text-[var(--text-secondary)] bg-[var(--bg-primary)] border border-[var(--border-color)] rounded p-2">
-                One-click install unavailable:{" "}
-                <span className="text-[var(--text-primary)]">
-                  {options.auto_install_blocker ?? "required tooling missing."}
-                </span>
-              </div>
-            )}
-
-            <button
-              onClick={() => setShowManual((s) => !s)}
-              className="px-3 py-2 text-sm bg-[var(--bg-tertiary)] border border-[var(--border-color)] rounded hover:bg-[var(--border-color)] transition-colors"
-            >
-              {showManual ? "Hide manual instructions" : "Show manual instructions"}
-            </button>
-
-            <button
-              onClick={handleOpenDocs}
-              className="px-3 py-2 text-sm bg-[var(--bg-tertiary)] border border-[var(--border-color)] rounded hover:bg-[var(--border-color)] transition-colors"
-            >
-              Open official documentation ↗
-            </button>
-          </div>
-        )}
-
-        {phase === "installing" && (
-          <div className="text-xs text-[var(--text-secondary)]">
-            Installing… a system password prompt may appear. Do not close this window.
-          </div>
-        )}
-
-        {phase === "done" && (
-          <div className="flex flex-col gap-2">
-            <div className="text-sm text-[var(--success)]">Install finished.</div>
-            {options.post_install_notes.length > 0 && (
-              <ul className="text-xs text-[var(--text-secondary)] list-disc list-inside space-y-1">
-                {options.post_install_notes.map((note, i) => (
-                  <li key={i}>{note}</li>
-                ))}
-              </ul>
-            )}
-            <div className="flex gap-2 mt-2">
-              <button
-                onClick={handleRecheck}
-                className="px-3 py-2 text-sm bg-[var(--accent)] text-white rounded hover:bg-[var(--accent-hover)] transition-colors"
-              >
-                Re-check Docker
-              </button>
-              <button
-                onClick={onClose}
-                className="px-3 py-2 text-sm bg-[var(--bg-tertiary)] border border-[var(--border-color)] rounded hover:bg-[var(--border-color)] transition-colors"
-              >
-                Close
-              </button>
+      {phase === "idle" && (
+        <div className="flex flex-col gap-2">
+          {options.can_auto_install ? (
+            <Button size="md" variant="primary" onClick={handleInstall}>
+              {installVerb} ({options.auto_install_method})
+            </Button>
+          ) : (
+            <div className="text-xs text-[var(--text-secondary)] bg-[var(--bg-primary)] border border-[var(--border-color)] rounded-[var(--radius-control)] p-2">
+              One-click install unavailable:{" "}
+              <span className="text-[var(--text-primary)]">
+                {options.auto_install_blocker ?? "required tooling missing."}
+              </span>
             </div>
-          </div>
-        )}
+          )}
 
-        {phase === "error" && (
-          <div className="flex flex-col gap-2">
-            <div className="text-sm text-[var(--error)]">Install failed.</div>
-            {error && <div className="text-xs font-mono text-[var(--error)]">{error}</div>}
-            <div className="flex gap-2 mt-2">
-              <button
-                onClick={() => setPhase("idle")}
-                className="px-3 py-2 text-sm bg-[var(--bg-tertiary)] border border-[var(--border-color)] rounded hover:bg-[var(--border-color)] transition-colors"
-              >
-                Back
-              </button>
-              <button
-                onClick={handleOpenDocs}
-                className="px-3 py-2 text-sm bg-[var(--accent)] text-white rounded hover:bg-[var(--accent-hover)] transition-colors"
-              >
-                Open official docs ↗
-              </button>
-            </div>
-          </div>
-        )}
+          <Button size="md" onClick={() => setShowManual((s) => !s)}>
+            {showManual ? "Hide manual instructions" : "Show manual instructions"}
+          </Button>
 
-        {(showManual || phase === "error") && (
-          <div className="mt-4">
-            <div className="text-xs font-medium mb-1.5 text-[var(--text-secondary)]">
-              Manual install steps
-            </div>
-            <ol className="text-xs text-[var(--text-secondary)] list-decimal list-inside space-y-1 bg-[var(--bg-primary)] border border-[var(--border-color)] rounded p-2">
-              {options.manual_steps.map((step, i) => (
-                <li key={i}>{step}</li>
+          <Button size="md" onClick={handleOpenDocs}>
+            Open official documentation ↗
+          </Button>
+        </div>
+      )}
+
+      {phase === "installing" && (
+        <div className="text-xs text-[var(--text-secondary)]">
+          Installing… a system password prompt may appear. Do not close this window.
+        </div>
+      )}
+
+      {phase === "done" && (
+        <div className="flex flex-col gap-2">
+          <div className="text-[13px] text-[var(--success)]">Install finished.</div>
+          {options.post_install_notes.length > 0 && (
+            <ul className="text-xs text-[var(--text-secondary)] list-disc list-inside space-y-1">
+              {options.post_install_notes.map((note, i) => (
+                <li key={i}>{note}</li>
               ))}
-            </ol>
+            </ul>
+          )}
+          <div className="flex gap-2 mt-2">
+            <Button size="md" variant="primary" onClick={handleRecheck}>
+              Re-check Docker
+            </Button>
+            <Button size="md" onClick={onClose}>
+              Close
+            </Button>
           </div>
-        )}
+        </div>
+      )}
 
-        {log.length > 0 && (
-          <div className="mt-4 max-h-48 overflow-y-auto bg-[var(--bg-primary)] border border-[var(--border-color)] rounded p-2 text-xs font-mono text-[var(--text-secondary)]">
-            {log.map((line, i) => (
-              <div key={i}>{line}</div>
+      {phase === "error" && (
+        <div className="flex flex-col gap-2">
+          <div className="text-[13px] text-[var(--error)]">Install failed.</div>
+          {error && (
+            <div className="text-xs font-mono text-[var(--error)] break-words">
+              {error}
+            </div>
+          )}
+          <div className="flex gap-2 mt-2">
+            <Button size="md" onClick={() => setPhase("idle")}>
+              Back
+            </Button>
+            <Button size="md" variant="primary" onClick={handleOpenDocs}>
+              Open official docs ↗
+            </Button>
+          </div>
+        </div>
+      )}
+
+      {(showManual || phase === "error") && (
+        <div className="mt-4">
+          <div className="text-xs font-medium mb-1.5 text-[var(--text-secondary)]">
+            Manual install steps
+          </div>
+          <ol className="text-xs text-[var(--text-secondary)] list-decimal list-inside space-y-1 bg-[var(--bg-primary)] border border-[var(--border-color)] rounded-[var(--radius-control)] p-2">
+            {options.manual_steps.map((step, i) => (
+              <li key={i}>{step}</li>
             ))}
-          </div>
-        )}
+          </ol>
+        </div>
+      )}
 
-        {phase === "idle" && (
-          <div className="mt-4 flex justify-end">
-            <button
-              onClick={onClose}
-              className="text-xs text-[var(--text-secondary)] hover:text-[var(--text-primary)]"
-            >
-              Dismiss
-            </button>
-          </div>
-        )}
-      </div>
-    </div>
+      {log.length > 0 && (
+        <div className="mt-4 max-h-48 overflow-y-auto bg-[var(--bg-primary)] border border-[var(--border-color)] rounded-[var(--radius-control)] p-2 text-xs font-mono text-[var(--text-secondary)]">
+          {log.map((line, i) => (
+            <div key={i}>{line}</div>
+          ))}
+        </div>
+      )}
+    </Modal>
   );
 }