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c3fa6d8923
The tab layout's 512 refs also count pinned sessions kept as stopped records, so the ceiling holds at the default MAX_WEBVIEWS and with no pinned closed sessions. SKILL.md, verbs.md (both copies) and the cron guide no longer give a fixed 50/25. Co-Authored-By: Christian Haberl <116439789+christianhaberl@users.noreply.github.com> Co-Authored-By: Claude <noreply@anthropic.com>
112 lines
4.3 KiB
TypeScript
112 lines
4.3 KiB
TypeScript
/**
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* @fileoverview Centralized Map size limits for memory management.
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*
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* These constants define maximum sizes for Maps that track ephemeral data.
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* Without limits, long-running sessions can accumulate unbounded entries
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* leading to memory leaks.
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*
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* Memory Budget Rationale:
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* - Assuming average entry size of ~1KB
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* - MAX_TRACKED_AGENTS=500 × 1KB = ~500KB for agent tracking
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* - Activity/results per agent × agents = bounded by these limits
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* - Total Map overhead: <50MB even under heavy load
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*
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* @module config/map-limits
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*/
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// ============================================================================
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// Session Tracking Limits
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// ============================================================================
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/** Default cap on concurrent sessions when `CODEMAN_MAX_SESSIONS` is not set. */
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const DEFAULT_MAX_CONCURRENT_SESSIONS = 50;
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/**
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* Highest value `CODEMAN_MAX_SESSIONS` can raise the cap to. An owner's tab layout
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* holds at most `MAX_TAB_REFS` (512) refs, and those count saved web tabs as well
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* as sessions; an owner can save up to `MAX_WEBVIEWS` (50 by default) web tabs.
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* 512 - 50 = 462 keeps session creation answering with the capacity message
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* instead of failing with a 500 on the layout limit, at the default `MAX_WEBVIEWS`
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* and with no pinned closed sessions: a pinned session stays in the layout as a
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* stopped record after it is closed, and it shares the same 512-ref budget.
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* (`PUT /api/session-order` accepts up to 500 ids, which stays above this.)
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*/
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export const MAX_CONCURRENT_SESSIONS_CEILING = 462;
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/**
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* Resolve the session cap from `CODEMAN_MAX_SESSIONS` (a positive integer,
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* clamped to {@link MAX_CONCURRENT_SESSIONS_CEILING}). Anything else (unset,
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* empty, 0, negative, fractional, not a number) falls back to
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* {@link DEFAULT_MAX_CONCURRENT_SESSIONS}, so a typo never locks session creation.
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*/
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function resolveMaxConcurrentSessions(): number {
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const raw = process.env.CODEMAN_MAX_SESSIONS?.trim();
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if (!raw || !/^\d+$/.test(raw)) return DEFAULT_MAX_CONCURRENT_SESSIONS;
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const n = Number(raw);
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return n >= 1 ? Math.min(n, MAX_CONCURRENT_SESSIONS_CEILING) : DEFAULT_MAX_CONCURRENT_SESSIONS;
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}
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/**
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* Maximum concurrent sessions allowed.
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* Each session consumes significant resources (PTY, buffers, watchers).
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* 50 unless `CODEMAN_MAX_SESSIONS` says otherwise (1 to 462); read once at startup.
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*/
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export const MAX_CONCURRENT_SESSIONS = resolveMaxConcurrentSessions();
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// ============================================================================
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// SSE Client Limits
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// ============================================================================
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/**
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* Maximum concurrent SSE client connections.
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* Each connection holds an open HTTP response and receives all broadcast events.
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*/
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export const MAX_SSE_CLIENTS = 100;
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// ============================================================================
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// Todo Item Limits (Ralph Tracker)
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// ============================================================================
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/**
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* Maximum todo items to track per session.
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*/
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export const MAX_TODOS_PER_SESSION = 500;
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/**
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* Maximum cron-job run-history records retained across all jobs. Oldest runs
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* (by startedAt) are pruned when exceeded — bounds state.json growth from
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* frequently-firing or perpetually-skipped jobs.
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*/
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export const MAX_CRON_RUN_HISTORY = 500;
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/**
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* Maximum saved cron jobs. Jobs persist to state.json, so an unbounded count
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* would grow it without limit; creation past the cap is rejected with 400.
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*/
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export const MAX_CRON_JOBS = 100;
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// ============================================================================
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// Pending Tool Calls Limits
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// ============================================================================
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// ============================================================================
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// Agent Tracking Limits
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// ============================================================================
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/**
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* Maximum agents to track across all sessions (LRU eviction when exceeded).
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*/
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export const MAX_TRACKED_AGENTS = 500;
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/**
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* Maximum pending tool calls to track per subagent.
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* Entries should be cleaned up on tool_result, but this prevents leaks.
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*/
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export const MAX_PENDING_TOOL_CALLS = 100;
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/**
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* TTL for orphaned pending tool calls (5 minutes).
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* If no tool_result received, entry is cleaned up.
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*/
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export const PENDING_TOOL_CALL_TTL_MS = 5 * 60 * 1000;
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