docs(agents): optimized agents.md

Author: grinev

AGENTS.md

@@ -34,58 +34,6 @@ Functional requirements, features, and development status are in [PRODUCT.md](./
 - ESLint + Prettier
 - TypeScript strict mode
 
-## Project structure
-
-```text
-opencode-telegram-bot/
-|- src/
-|  |- index.ts                 # Source-mode entry point
-|  |- cli.ts                   # Installed CLI entry point
-|  |- config.ts                # Environment config loader
-|  |- app/
-|  |  \- start-bot-app.ts      # App bootstrap
-|  |- runtime/
-|  |  |- mode.ts               # Runtime mode resolution
-|  |  |- paths.ts              # Runtime-aware paths
-|  |  \- bootstrap.ts          # CLI bootstrap/config wizard
-|  |- bot/
-|  |  |- index.ts              # Bot initialization and handlers
-|  |  |- commands/             # Command handlers
-|  |  |  \- definitions.ts     # Centralized command list
-|  |  |- handlers/             # Callback handlers (question/permission/model/etc.)
-|  |  |- middleware/
-|  |  |  \- auth.ts            # User authorization
-|  |  \- utils/
-|  |     \- keyboard.ts        # Keyboard builders/helpers
-|  |- opencode/
-|  |  |- client.ts             # SDK wrapper
-|  |  \- events.ts             # SSE subscription and event handling
-|  |- session/manager.ts       # Current session state
-|  |- project/manager.ts       # Project management
-|  |- settings/manager.ts      # settings.json load/save
-|  |- summary/
-|  |  |- aggregator.ts         # Event aggregation
-|  |  \- formatter.ts          # Telegram formatting
-|  |- question/manager.ts      # Question tool state
-|  |- permission/manager.ts    # Permission tool state
-|  |- model/manager.ts         # Model selection state
-|  |- agent/manager.ts         # Agent mode state
-|  |- variant/manager.ts       # Variant selection state
-|  |- keyboard/manager.ts      # Bottom keyboard state
-|  |- pinned/manager.ts        # Pinned status message state
-|  |- process/manager.ts       # OpenCode process lifecycle
-|  |- i18n/                    # Localized strings (en, ru)
-|  \- utils/
-|     |- logger.ts             # Logging utility
-|     \- safe-background-task.ts
-|- tests/
-|- scripts/
-|- package.json
-|- PRODUCT.md
-|- README.md
-|- AGENTS.md
-```
-
 ## Architecture
 
 ### Main components
@@ -230,58 +178,6 @@ Important:
 - Follow Arrange-Act-Assert
 - Use `vi.mock()` for external dependencies
 
-## Configuration
-
-### Environment variables (`.env`)
-
-```bash
-# Telegram (required)
-TELEGRAM_BOT_TOKEN=your_bot_token_from_botfather
-TELEGRAM_ALLOWED_USER_ID=123456789
-
-# OpenCode API (optional)
-# OPENCODE_API_URL=http://localhost:4096
-
-# OpenCode Server auth (optional)
-# OPENCODE_SERVER_USERNAME=opencode
-# OPENCODE_SERVER_PASSWORD=
-
-# Default model (required)
-OPENCODE_MODEL_PROVIDER=opencode
-OPENCODE_MODEL_ID=big-pickle
-
-# Logging (optional)
-# LOG_LEVEL=info  # debug, info, warn, error
-
-# Bot options (optional)
-# SESSIONS_LIST_LIMIT=10
-# PROJECTS_LIST_LIMIT=10
-# BOT_LOCALE=en    # en or ru
-# MESSAGE_FORMAT_MODE=markdown   # markdown or raw
-
-# File output options (optional)
-# CODE_FILE_MAX_SIZE_KB=100
-```
-
-### Environment variables reference
-
-| Variable                   | Description                                         | Required | Default                 |
-| -------------------------- | --------------------------------------------------- | -------- | ----------------------- |
-| `TELEGRAM_BOT_TOKEN`       | Bot token from @BotFather                           | Yes      | -                       |
-| `TELEGRAM_ALLOWED_USER_ID` | Allowed Telegram user ID                            | Yes      | -                       |
-| `TELEGRAM_PROXY_URL`       | Proxy URL for Telegram API                          | No       | -                       |
-| `OPENCODE_MODEL_PROVIDER`  | Default model provider                              | Yes      | -                       |
-| `OPENCODE_MODEL_ID`        | Default model ID                                    | Yes      | -                       |
-| `OPENCODE_API_URL`         | OpenCode API URL                                    | No       | `http://localhost:4096` |
-| `OPENCODE_SERVER_USERNAME` | OpenCode auth username                              | No       | `opencode`              |
-| `OPENCODE_SERVER_PASSWORD` | OpenCode auth password                              | No       | empty                   |
-| `LOG_LEVEL`                | Logging level                                       | No       | `info`                  |
-| `SESSIONS_LIST_LIMIT`      | Max sessions shown in `/sessions`                   | No       | `10`                    |
-| `PROJECTS_LIST_LIMIT`      | Max projects shown in `/projects`                   | No       | `10`                    |
-| `BOT_LOCALE`               | Bot locale (`en` or `ru`)                           | No       | `en`                    |
-| `MESSAGE_FORMAT_MODE`      | Assistant message format mode (`markdown` or `raw`) | No       | `markdown`              |
-| `CODE_FILE_MAX_SIZE_KB`    | Max code file size to send                          | No       | `100`                   |
-
 ## OpenCode SDK quick reference
 
 ```typescript