feat: Phase4 命令系统与上下文增强
新增基础设施: - TokenTracker: 真实Token使用量追踪和费用估算(按模型定价) - SkillLoader: .claude/skills/ 扫描加载,支持YAML frontmatter元数据 - GitContext: Git分支/状态/最近提交收集,注入系统提示词 新增命令 (4个): - /init: 项目CLAUDE.md初始化向导,自动检测项目类型(Maven/Gradle/Node/Python等) - /status: 会话状态仪表板(模型、Token、内存、运行时间等) - /context: 上下文概览(CLAUDE.md、Skills、Git、系统提示词大小) - /config: 配置查看/设置(支持model快捷切换和API key显示) 增强命令 (3个): - /cost: 从占位→真实Token统计,显示input/output/cache tokens和费用 - /model: 支持快捷名称切换(sonnet/opus/haiku),显示可用模型列表 - /compact: 增强显示压缩前后消息数和Token使用量 系统提示词增强: - 集成Skills摘要和Git上下文到系统提示词 - 新增Shell环境信息和更详细的Guidelines 命令总数: 6 → 10, 工具总数: 11 Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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@@ -3,12 +3,13 @@ package com.claudecode.command.impl;
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import com.claudecode.command.CommandContext;
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import com.claudecode.command.SlashCommand;
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import com.claudecode.console.AnsiStyle;
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import com.claudecode.core.TokenTracker;
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/**
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* /cost 命令 —— 显示 Token 使用量和费用估算。
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* <p>
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* 对应 claude-code/src/commands/cost.ts。
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* 当前为占位实现,后续接入实际 Token 统计。
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* 从 AgentLoop 的 TokenTracker 获取真实 Token 统计。
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*/
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public class CostCommand implements SlashCommand {
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@@ -24,21 +25,40 @@ public class CostCommand implements SlashCommand {
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@Override
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public String execute(String args, CommandContext context) {
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int msgCount = 0;
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if (context.agentLoop() != null) {
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msgCount = context.agentLoop().getMessageHistory().size();
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}
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TokenTracker tracker = context.agentLoop().getTokenTracker();
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int msgCount = context.agentLoop().getMessageHistory().size();
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StringBuilder sb = new StringBuilder();
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sb.append("\n");
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sb.append(AnsiStyle.bold(" Token Usage:\n\n"));
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sb.append(" Messages: ").append(AnsiStyle.cyan(String.valueOf(msgCount))).append("\n");
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sb.append(" Input tokens: ").append(AnsiStyle.dim("(tracking not yet implemented)")).append("\n");
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sb.append(" Output tokens:").append(AnsiStyle.dim("(tracking not yet implemented)")).append("\n");
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sb.append(" Est. cost: ").append(AnsiStyle.dim("(tracking not yet implemented)")).append("\n");
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sb.append("\n");
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sb.append(AnsiStyle.dim(" Token tracking will be added in a future update."));
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sb.append(AnsiStyle.bold(" 💰 Token Usage & Cost\n"));
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sb.append(" ").append("─".repeat(40)).append("\n\n");
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sb.append(" ").append(AnsiStyle.bold("Model: ")).append(AnsiStyle.cyan(tracker.getModelName())).append("\n");
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sb.append(" ").append(AnsiStyle.bold("API Calls: ")).append(tracker.getApiCallCount()).append("\n");
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sb.append(" ").append(AnsiStyle.bold("Messages: ")).append(msgCount).append("\n\n");
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sb.append(" ").append(AnsiStyle.bold("Input tokens: ")).append(formatTokenLine(tracker.getInputTokens())).append("\n");
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sb.append(" ").append(AnsiStyle.bold("Output tokens:")).append(formatTokenLine(tracker.getOutputTokens())).append("\n");
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if (tracker.getCacheReadTokens() > 0) {
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sb.append(" ").append(AnsiStyle.bold("Cache read: ")).append(formatTokenLine(tracker.getCacheReadTokens())).append("\n");
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}
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if (tracker.getCacheCreationTokens() > 0) {
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sb.append(" ").append(AnsiStyle.bold("Cache create: ")).append(formatTokenLine(tracker.getCacheCreationTokens())).append("\n");
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}
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sb.append(" ").append("─".repeat(30)).append("\n");
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sb.append(" ").append(AnsiStyle.bold("Total: ")).append(TokenTracker.formatTokens(tracker.getTotalTokens())).append(" tokens\n");
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sb.append(" ").append(AnsiStyle.bold("Est. Cost: ")).append(AnsiStyle.green("$" + String.format("%.4f", tracker.estimateCost()))).append("\n");
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if (tracker.getApiCallCount() == 0) {
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sb.append("\n").append(AnsiStyle.dim(" No API calls yet. Start a conversation to see usage."));
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}
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return sb.toString();
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}
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private String formatTokenLine(long tokens) {
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return " " + TokenTracker.formatTokens(tokens) + AnsiStyle.dim(" (" + tokens + ")");
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}
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}
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