Method ballast

packages/e2e-tests/src/harness.ts:212–230

* Generate ~`tokens` tokens of varied, realistic prose ballast. * * The protected-tail boundary (v3) is SIZE-based: it measures the true-raw * token content of the session, not the mock's fabricated usage numbers. * Tests that fake pressure (90K `input_tokens` on a session whose

(tokens: number)

     * stable ~4 chars/token so the size math holds.
     */
    ballast(tokens: number): string {
        const words = [
            "boundary", "historian", "compartment", "schedule", "pressure",
            "tokens", "window", "publish", "transform", "session", "marker",
            "budget", "eligible", "protected", "ordinal", "snapshot", "replay",
            "decision", "threshold", "baseline", "measure", "archive", "deliver",
        ];
        const target = Math.max(0, Math.round(tokens * 4)); // ~4 chars/token
        const parts: string[] = [];
        let length = 0;
        let i = 0;
        while (length < target) {
            const w = words[i % words.length];
            parts.push(`${w}${i % 17 === 0 ? "." : ""}`);
            length += w.length + 1;
            i += 1;
        }
        return parts.join(" ");
    }

    async sendPrompt(
        sessionId: string,