Function compressCommand

devctx/src/commands/compress.ts:13–119

(options?: { force?: boolean })

import { ContextEntry } from "../core/types";

export async function compressCommand(options?: { force?: boolean }) {
    if (!(await isInitialized())) {
        console.log(chalk.red("✗ DevContext not initialized. Run `devctx init` first."));
        return;
    }

    try {
        const branch = await getCurrentBranch();
        const entries = await loadBranchContext(branch);

        if (entries.length <= 2) {
            console.log(chalk.yellow("⚠ Not enough context to compress (need at least 3 entries)."));
            return;
        }

        console.log(
            chalk.gray(`  Compressing ${entries.length} entries for branch: ${branch}...`)
        );

        // Keep the most recent entry intact, compress older ones
        const toCompress = entries.slice(0, -1);
        const latest = entries[entries.length - 1];

        const prompt = `You are a developer assistant. Compress the following ${toCompress.length} coding session entries into a single summary entry. Keep only the most important information: key decisions, approaches that worked or failed, and overall progress.

Sessions to compress:
${toCompress
                .map(
                    (e, i) => `
Session ${i + 1} (${e.timestamp}):
- Task: ${e.task}
- Approaches: ${e.approaches.join(", ") || "none"}
- Decisions: ${e.decisions.join(", ") || "none"}
- State: ${e.currentState}
- Next steps: ${e.nextSteps.join(", ") || "none"}
`
                )
                .join("\n")}

Generate a JSON response:
{
  "task": "overall task description covering all sessions",
  "approaches": ["significant approaches tried"],
  "decisions": ["key decisions made across all sessions"],
  "currentState": "where things stood after these sessions",
  "nextSteps": ["remaining next steps"]
}

Be concise but preserve important decisions and learnings.`;

        const result = await callAI([
            {
                role: "system",
                content: "You are a helpful assistant. Always respond with valid JSON.",
            },
            { role: "user", content: prompt },
        ]);