Add Disk Info and Speed Test buttons to Remotes screen

- Disk Info: runs df -h and df -i on remote via SSH (or locally)
- Speed Test: uploads/downloads 10MB test file via rsync, measures Mbps
- Both available as CLI commands: gniza remotes disk-info/speed-test --name=NAME

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bin/gniza

@@ -274,8 +274,18 @@ run_cli() {
                     validate_remote "$name"
                     echo "Remote '$name' is valid."
                     ;;
+                disk-info)
+                    [[ -z "$name" ]] && die "remotes disk-info requires --name=NAME"
+                    load_remote "$name"
+                    remote_disk_info
+                    ;;
+                speed-test)
+                    [[ -z "$name" ]] && die "remotes speed-test requires --name=NAME"
+                    load_remote "$name"
+                    remote_speed_test
+                    ;;
                 *)
-                    die "Unknown remotes action: $action (expected list|add|delete|show|test)"
+                    die "Unknown remotes action: $action (expected list|add|delete|show|test|disk-info|speed-test)"
                     ;;
             esac
             ;;

lib/remotes.sh

@@ -287,3 +287,101 @@ get_target_remotes() {
     log_error "No remotes configured. Create one in $CONFIG_DIR/remotes.d/"
     return 1
 }
+
+# ── Disk info ────────────────────────────────────────────────
+
+remote_disk_info() {
+    local base="${REMOTE_BASE:-/}"
+    case "${REMOTE_TYPE:-ssh}" in
+        ssh)
+            echo "Disk usage on ${REMOTE_USER}@${REMOTE_HOST}:${base}"
+            echo "──────────────────────────────────────────"
+            remote_exec "df -h '$base' 2>/dev/null && echo '' && df -i '$base' 2>/dev/null"
+            ;;
+        local)
+            echo "Disk usage on ${base}"
+            echo "──────────────────────────────────────────"
+            df -h "$base" 2>/dev/null
+            echo ""
+            df -i "$base" 2>/dev/null
+            ;;
+        *)
+            echo "Disk info not supported for remote type: ${REMOTE_TYPE}"
+            return 1
+            ;;
+    esac
+}
+
+# ── Speed test ───────────────────────────────────────────────
+
+remote_speed_test() {
+    local test_size="10M"
+    local test_file="/tmp/.gniza_speedtest_$$"
+    local remote_file="${REMOTE_BASE:-.}/.gniza_speedtest_$$"
+
+    case "${REMOTE_TYPE:-ssh}" in
+        ssh)
+            echo "Speed test to ${REMOTE_USER}@${REMOTE_HOST}"
+            echo "Test file size: ${test_size}"
+            echo "──────────────────────────────────────────"
+
+            # Create local test file
+            dd if=/dev/urandom of="$test_file" bs=1M count=10 2>/dev/null
+
+            # Upload test
+            echo ""
+            echo "Upload test..."
+            local ssh_cmd
+            ssh_cmd=$(build_rsync_ssh_cmd)
+            local start_up end_up duration_up speed_up
+            start_up=$(date +%s%N)
+            # shellcheck disable=SC2086
+            if rsync -e "$ssh_cmd" --progress "$test_file" "${REMOTE_USER}@${REMOTE_HOST}:${remote_file}" 2>/dev/null; then
+                end_up=$(date +%s%N)
+                duration_up=$(( (end_up - start_up) / 1000000 ))
+                if [[ "$duration_up" -gt 0 ]]; then
+                    speed_up=$(( 10 * 1000 * 8 / duration_up ))
+                    echo "  Upload:   ${speed_up} Mbps  (${duration_up} ms)"
+                else
+                    echo "  Upload:   too fast to measure"
+                fi
+            else
+                echo "  Upload:   FAILED"
+            fi
+
+            # Download test
+            echo ""
+            echo "Download test..."
+            local dl_file="${test_file}_dl"
+            local start_dn end_dn duration_dn speed_dn
+            start_dn=$(date +%s%N)
+            # shellcheck disable=SC2086
+            if rsync -e "$ssh_cmd" --progress "${REMOTE_USER}@${REMOTE_HOST}:${remote_file}" "$dl_file" 2>/dev/null; then
+                end_dn=$(date +%s%N)
+                duration_dn=$(( (end_dn - start_dn) / 1000000 ))
+                if [[ "$duration_dn" -gt 0 ]]; then
+                    speed_dn=$(( 10 * 1000 * 8 / duration_dn ))
+                    echo "  Download: ${speed_dn} Mbps  (${duration_dn} ms)"
+                else
+                    echo "  Download: too fast to measure"
+                fi
+            else
+                echo "  Download: FAILED"
+            fi
+
+            # Cleanup
+            rm -f "$test_file" "$dl_file" 2>/dev/null
+            remote_exec "rm -f '$remote_file'" 2>/dev/null || true
+
+            echo ""
+            echo "Done."
+            ;;
+        local)
+            echo "Speed test not applicable for local remotes."
+            ;;
+        *)
+            echo "Speed test not supported for remote type: ${REMOTE_TYPE}"
+            return 1
+            ;;
+    esac
+}

tui/screens/remotes.py

@@ -22,6 +22,8 @@ class RemotesScreen(Screen):
                 yield Button("Add", variant="primary", id="btn-add")
                 yield Button("Edit", id="btn-edit")
                 yield Button("Test", variant="warning", id="btn-test")
+                yield Button("Disk Info", id="btn-disk")
+                yield Button("Speed Test", id="btn-speed")
                 yield Button("Delete", variant="error", id="btn-delete")
                 yield Button("Back", id="btn-back")
         yield Footer()
@@ -71,6 +73,18 @@ class RemotesScreen(Screen):
                 self._test_remote(name)
             else:
                 self.notify("Select a remote first", severity="warning")
+        elif event.button.id == "btn-disk":
+            name = self._selected_remote()
+            if name:
+                self._disk_info(name)
+            else:
+                self.notify("Select a remote first", severity="warning")
+        elif event.button.id == "btn-speed":
+            name = self._selected_remote()
+            if name:
+                self._speed_test(name)
+            else:
+                self.notify("Select a remote first", severity="warning")
         elif event.button.id == "btn-delete":
             name = self._selected_remote()
             if name:
@@ -96,6 +110,32 @@ class RemotesScreen(Screen):
             log_screen.write(f"\n[red]Connection test failed (exit code {rc}).[/red]")
         log_screen.finish()
 
+    @work
+    async def _disk_info(self, name: str) -> None:
+        log_screen = OperationLog(f"Disk Info: {name}", show_spinner=False)
+        self.app.push_screen(log_screen)
+        rc, stdout, stderr = await run_cli("remotes", "disk-info", f"--name={name}")
+        if stdout:
+            log_screen.write(stdout)
+        if stderr:
+            log_screen.write(stderr)
+        if rc != 0:
+            log_screen.write(f"\n[red]Failed to get disk info (exit code {rc}).[/red]")
+        log_screen.finish()
+
+    @work
+    async def _speed_test(self, name: str) -> None:
+        log_screen = OperationLog(f"Speed Test: {name}")
+        self.app.push_screen(log_screen)
+        rc, stdout, stderr = await run_cli("remotes", "speed-test", f"--name={name}")
+        if stdout:
+            log_screen.write(stdout)
+        if stderr:
+            log_screen.write(stderr)
+        if rc != 0:
+            log_screen.write(f"\n[red]Speed test failed (exit code {rc}).[/red]")
+        log_screen.finish()
+
     def _delete_remote(self, name: str) -> None:
         conf = CONFIG_DIR / "remotes.d" / f"{name}.conf"
         if conf.is_file():