Initial commit: SSH Manager (backend + frontend)

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/src/main/resources/application.yml

@@ -0,0 +1,27 @@
+server:
+  port: 8080
+
+spring:
+  datasource:
+    url: jdbc:h2:file:./data/sshmanager;DB_CLOSE_DELAY=-1
+    driver-class-name: org.h2.Driver
+    username: sa
+    password:
+  h2:
+    console:
+      enabled: false
+  jpa:
+    hibernate:
+      ddl-auto: update
+    show-sql: false
+    properties:
+      hibernate:
+        format_sql: true
+        dialect: org.hibernate.dialect.H2Dialect
+    open-in-view: false
+
+# Encryption key for connection passwords (base64, 32 bytes for AES-256)
+sshmanager:
+  encryption-key: ${SSHMANAGER_ENCRYPTION_KEY:YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXoxMjM0NTY=}
+  jwt-secret: ${SSHMANAGER_JWT_SECRET:ssh-manager-jwt-secret-change-in-production}
+  jwt-expiration-ms: 86400000