feat(01-03): switch Matrix confirmations to text commands

- replace reaction-based helper text with !yes/!no and !skill commands
- resolve confirm and cancel through pending confirmation state
- render !settings as a read-only status dashboard

adapter/matrix/reactions.py

@@ -1,9 +1,5 @@
 from __future__ import annotations
 
-from typing import Any
-
-from nio import AsyncClient
-
 from sdk.interface import UserSettings
 
 CONFIRM_REACTION = "👍"
@@ -13,56 +9,26 @@ REACTION_TO_INDEX = {emoji: idx + 1 for idx, emoji in enumerate(SKILL_REACTIONS)
 
 
 def build_skills_text(settings: UserSettings) -> str:
-    lines: list[str] = ["🧩 Скиллы"]
+    lines: list[str] = ["Скиллы"]
     for idx, (name, enabled) in enumerate(settings.skills.items(), start=1):
-        state = "✅" if enabled else "❌"
+        state = "on" if enabled else "off"
         emoji = SKILL_REACTIONS[idx - 1] if idx - 1 < len(SKILL_REACTIONS) else f"{idx}."
-        lines.append(f"{state} {emoji} {name}")
+        lines.append(f"  {state}  {emoji} {name}")
     lines.append("")
-    lines.append("Реакции 1️⃣-9️⃣ переключают навыки.")
+    lines.append("!skill on/off <название> — переключить навык.")
     return "\n".join(lines)
 
 
 def build_confirmation_text(description: str) -> str:
     return "\n".join(
         [
-            "🤖 Lambda",
+            "Lambda",
             description,
             "",
-            f"{CONFIRM_REACTION} подтвердить  ·  {CANCEL_REACTION} отменить",
-            "!yes — подтвердить  ·  !no — отменить",
+            "Ответьте !yes для подтверждения или !no для отмены.",
         ]
     )
 
 
 def reaction_to_skill_index(key: str) -> int | None:
     return REACTION_TO_INDEX.get(key)
-
-
-async def add_reaction(client: AsyncClient, room_id: str, event_id: str, key: str) -> Any:
-    return await client.room_send(
-        room_id,
-        "m.reaction",
-        {
-            "m.relates_to": {
-                "rel_type": "m.annotation",
-                "event_id": event_id,
-                "key": key,
-            }
-        },
-    )
-
-
-async def remove_reaction(client: AsyncClient, room_id: str, event_id: str, key: str) -> Any:
-    return await client.room_send(
-        room_id,
-        "m.reaction",
-        {
-            "m.relates_to": {
-                "rel_type": "m.annotation",
-                "event_id": event_id,
-                "key": key,
-            },
-            "undo": True,
-        },
-    )