v1.5.0: network interface binding, SSH fixes, terminal, release script

- Add network interface selection per server (VPN/multi-NIC support)
- Fix "Install Everything" button hanging on error
- Add interactive SSH terminal with PTY (pyte + xterm-256color)
- Add release.py for automated versioning and changelog generation
- Add CLAUDE.md with project instructions
- Add screenshots and release binaries for v1.1–v1.4

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

gui/tabs/setup_tab.py

@@ -9,6 +9,7 @@ from tkinter import filedialog, messagebox
 import customtkinter as ctk
 from core.claude_setup import check_status, install_all, install_ssh_script, install_skill, generate_ssh_key
 from core.i18n import t
+from core.logger import log
 
 
 class SetupTab(ctk.CTkFrame):
@@ -88,6 +89,35 @@ class SetupTab(ctk.CTkFrame):
                       command=self._refresh_status)
         self.refresh_btn.pack(side="right")
 
+        # ── Monitoring section ─────────────────────────
+        monitor_frame = ctk.CTkFrame(self)
+        monitor_frame.pack(fill="x", padx=20, pady=(5, 5))
+
+        self.monitor_title = ctk.CTkLabel(
+            monitor_frame, text=t("monitoring"),
+            font=ctk.CTkFont(size=14, weight="bold"), anchor="w"
+        )
+        self.monitor_title.pack(fill="x", padx=15, pady=(10, 5))
+
+        interval_row = ctk.CTkFrame(monitor_frame, fg_color="transparent")
+        interval_row.pack(fill="x", padx=15, pady=(0, 10))
+
+        self.interval_label = ctk.CTkLabel(interval_row, text=t("check_interval"), anchor="w")
+        self.interval_label.pack(side="left", padx=(0, 10))
+
+        self._interval_buttons: dict[int, ctk.CTkButton] = {}
+        current_interval = store.get_check_interval()
+        for seconds, key in [(30, "interval_30s"), (60, "interval_60s"), (120, "interval_120s"), (300, "interval_300s")]:
+            is_active = (seconds == current_interval)
+            btn = ctk.CTkButton(
+                interval_row, text=t(key), width=60, height=28,
+                fg_color="#3b82f6" if is_active else "#6b7280",
+                hover_color="#2563eb" if is_active else "#4b5563",
+                command=lambda s=seconds: self._set_interval(s)
+            )
+            btn.pack(side="left", padx=2)
+            self._interval_buttons[seconds] = btn
+
         # ── Configuration section ─────────────────────
         config_frame = ctk.CTkFrame(self)
         config_frame.pack(fill="x", padx=20, pady=(5, 5))
@@ -148,6 +178,14 @@ class SetupTab(ctk.CTkFrame):
         # Initial status check
         self._refresh_status()
 
+    def _set_interval(self, seconds: int):
+        self.store.set_check_interval(seconds)
+        for s, btn in self._interval_buttons.items():
+            if s == seconds:
+                btn.configure(fg_color="#3b82f6", hover_color="#2563eb")
+            else:
+                btn.configure(fg_color="#6b7280", hover_color="#4b5563")
+
     def _log(self, text: str):
         self.log.configure(state="normal")
         self.log.insert("end", text + "\n")
@@ -166,12 +204,17 @@ class SetupTab(ctk.CTkFrame):
         self.install_all_btn.configure(state="disabled", text=t("installing_all"))
 
         def _do():
-            results = install_all()
-            for msg in results:
-                self.after(0, lambda m=msg: self._log(m))
-            self.after(0, self._refresh_status)
-            self.after(0, lambda: self._log("\n" + t("install_done")))
-            self.after(0, lambda: self.install_all_btn.configure(state="normal", text=t("install_everything")))
+            try:
+                results = install_all()
+                for msg in results:
+                    self.after(0, lambda m=msg: self._log(m))
+                self.after(0, self._refresh_status)
+                self.after(0, lambda: self._log("\n" + t("install_done")))
+            except Exception as e:
+                log.error(f"install_all failed: {e}")
+                self.after(0, lambda: self._log(f"ERROR: {e}"))
+            finally:
+                self.after(0, lambda: self.install_all_btn.configure(state="normal", text=t("install_everything")))
 
         threading.Thread(target=_do, daemon=True).start()
 
@@ -186,8 +229,12 @@ class SetupTab(ctk.CTkFrame):
         self._refresh_status()
 
     def _gen_key(self):
-        msg = generate_ssh_key()
-        self._log(msg)
+        try:
+            msg = generate_ssh_key()
+            self._log(msg)
+        except Exception as e:
+            log.error(f"generate_ssh_key failed: {e}")
+            self._log(f"ERROR: {e}")
         self._refresh_status()
 
     # ── Configuration methods ─────────────────────────