feat(01-06): remove matrix reaction-era adapter UX

- Drop reaction-based skill and confirmation helpers from Matrix conversion
- Render !settings as a strict read-only dashboard snapshot
- Align Matrix adapter regressions with command-only helper text

adapter/matrix/reactions.py

@@ -2,18 +2,12 @@ from __future__ import annotations
 
 from sdk.interface import UserSettings
 
-CONFIRM_REACTION = "👍"
-CANCEL_REACTION = "❌"
-SKILL_REACTIONS = ["1️⃣", "2️⃣", "3️⃣", "4️⃣", "5️⃣", "6️⃣", "7️⃣", "8️⃣", "9️⃣"]
-REACTION_TO_INDEX = {emoji: idx + 1 for idx, emoji in enumerate(SKILL_REACTIONS)}
-
 
 def build_skills_text(settings: UserSettings) -> str:
     lines: list[str] = ["Скиллы"]
-    for idx, (name, enabled) in enumerate(settings.skills.items(), start=1):
+    for name, enabled in settings.skills.items():
         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}  {name}")
     lines.append("")
     lines.append("!skill on/off <название> — переключить навык.")
     return "\n".join(lines)
@@ -28,7 +22,3 @@ def build_confirmation_text(description: str) -> str:
             "Ответьте !yes для подтверждения или !no для отмены.",
         ]
     )
-
-
-def reaction_to_skill_index(key: str) -> int | None:
-    return REACTION_TO_INDEX.get(key)