fix(lib): resolve B-8 send_keys_safe agy verification bypass and add submission retry test

.agents/skills/lib_py/agents/adapters/agy.py

@@ -10,3 +10,15 @@ class AgyAgentAdapter(BaseAgentAdapter):
     @property
     def own_key(self) -> str:
         return 'agy_conversation_id_own'
+
+    @property
+    def input_prompt(self) -> str:
+        return '>'
+
+    @property
+    def input_placeholder(self) -> str:
+        return ''
+
+    @property
+    def input_rule_pattern(self) -> str:
+        return '─{10,}'

.agents/skills/lib_py/agents/adapters/claude.py

@@ -10,3 +10,15 @@ class ClaudeAgentAdapter(BaseAgentAdapter):
     @property
     def own_key(self) -> str:
         return 'claude_session_id_own'
+
+    @property
+    def input_prompt(self) -> str:
+        return '❯'
+
+    @property
+    def input_placeholder(self) -> str:
+        return ''
+
+    @property
+    def input_rule_pattern(self) -> str:
+        return '─{10,}'

.agents/skills/lib_py/agents/adapters/cline.py

@@ -10,3 +10,15 @@ class ClineAgentAdapter(BaseAgentAdapter):
     @property
     def own_key(self) -> str:
         return 'cline_conversation_id_own'
+
+    @property
+    def input_prompt(self) -> str:
+        return '❯'
+
+    @property
+    def input_placeholder(self) -> str:
+        return 'Ask anything...'
+
+    @property
+    def input_rule_pattern(self) -> str:
+        return '─{10,}'