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>

core/claude_setup.py

@@ -7,6 +7,7 @@ for Claude Code to manage servers via the shared servers.json.
 import os
 import sys
 import shutil
+from core.logger import log
 
 SHARED_DIR = os.path.expanduser("~/.server-connections")
 
@@ -47,6 +48,7 @@ def install_ssh_script() -> str:
     dst = os.path.join(SHARED_DIR, "ssh.py")
     if os.path.exists(SSH_SCRIPT_SRC):
         shutil.copy2(SSH_SCRIPT_SRC, dst)
+        log.info(f"ssh.py installed: {dst}")
         results.append(f"ssh.py installed: {dst}")
     elif os.path.exists(dst):
         results.append(f"ssh.py already exists: {dst}")
@@ -57,6 +59,7 @@ def install_ssh_script() -> str:
     enc_dst = os.path.join(SHARED_DIR, "encryption.py")
     if os.path.exists(ENCRYPTION_SRC):
         shutil.copy2(ENCRYPTION_SRC, enc_dst)
+        log.info(f"encryption.py installed: {enc_dst}")
         results.append(f"encryption.py installed: {enc_dst}")
     elif os.path.exists(enc_dst):
         results.append(f"encryption.py already exists: {enc_dst}")
@@ -71,6 +74,7 @@ def install_skill() -> str:
     os.makedirs(SKILL_DST_DIR, exist_ok=True)
     if os.path.exists(SKILL_SRC):
         shutil.copy2(SKILL_SRC, SKILL_DST)
+        log.info(f"Skill installed: {SKILL_DST}")
         return f"Skill installed: {SKILL_DST}"
     # Fallback: check existing
     if os.path.exists(SKILL_DST):
@@ -79,6 +83,7 @@ def install_skill() -> str:
     skill_content = _generate_skill_content()
     with open(SKILL_DST, "w", encoding="utf-8") as f:
         f.write(skill_content)
+    log.info(f"Skill generated: {SKILL_DST}")
     return f"Skill generated: {SKILL_DST}"
 
 
@@ -89,7 +94,13 @@ def generate_ssh_key() -> str:
 
     os.makedirs(os.path.dirname(SSH_KEY_PATH), exist_ok=True)
 
-    import paramiko
+    try:
+        import paramiko
+    except ImportError:
+        msg = "ERROR: paramiko is not installed — cannot generate SSH key"
+        log.error(msg)
+        return msg
+
     key = paramiko.Ed25519Key.generate()
     key.write_private_key_file(SSH_KEY_PATH)
 
@@ -97,15 +108,30 @@ def generate_ssh_key() -> str:
     with open(SSH_KEY_PATH + ".pub", "w") as f:
         f.write(pub_key + "\n")
 
+    log.info(f"SSH key generated: {SSH_KEY_PATH}")
     return f"Key generated: {SSH_KEY_PATH}"
 
 
 def install_all() -> list[str]:
     """Full setup — install everything."""
     results = []
-    results.append(install_ssh_script())
-    results.append(install_skill())
-    results.append(generate_ssh_key())
+
+    steps = [
+        ("ssh_script", install_ssh_script),
+        ("skill", install_skill),
+        ("ssh_key", generate_ssh_key),
+    ]
+
+    for name, func in steps:
+        try:
+            log.info(f"install_all: running {name}")
+            result = func()
+            results.append(result)
+        except Exception as e:
+            msg = f"ERROR ({name}): {e}"
+            log.error(msg)
+            results.append(msg)
+
     return results