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JSON key-value storage with TTL, tags, search, counters, and merge patching.

File storage with signed URLs, quotas, and public serving.

Read-only cached project configuration.

Shared state with compare-and-swap and distributed locks.

Entity component system with schemas, queries, systems, and a coordinator.

Localization with fallback chains, plurals, publishing, and experiments.

Real-time collaborative JSON documents over WebSocket.

Environment-scoped configuration with inheritance and targeting rules.

Time-locked attestations with multi-signature and lottery reveal.

Capability-scoped publish/subscribe channels with grants and rooms.

How sockets work platform-wide: auth, the general socket, limits, and admin controls.

SQS/SNS-style topics, queues, visibility timeouts, and dead-letter redrive.

Persistent per-user notifications with read state, actions, and scheduled delivery.

Who is here right now: heartbeats, activity states, capacity policies.

Threaded comments with reactions and moderation on any subject.

Append-only event streams with windowed queries and aggregation.

Signed outbound deliveries with retries and a dead-letter queue.

Delayed and prioritized background jobs with retries, backoff, and a dead-letter queue.

Finite state machines with guards, timeouts, and Mermaid rendering.

Regenerating resources: energy meters, cooldowns, and idle accrual.

Tension-curve pacing with budgeted decisions and deterministic seeds.

Reputation-weighted fact attestation with challenges and slashing.

Approval and input requests with deadlines, multi-approver tallies, and expiry.

Exclusive time-bound access to unique resources, with waiting rooms and fencing tokens.

LLM-as-judge evaluation with rubrics, sessions, and experiments.

Double-entry virtual currency with wallets, holds, and supply analytics.

Usage metering with budget reservations, quotas, and billing rollups.

Purchase-intent carts with real inventory reservations and checkout freeze.

Inventory: definitions, stacking, transfers, crafting, durability, collections.

English auctions with proxy bidding, anti-sniping, and treasury settlement.

Hashed code batches with capped, windowed, geo-fenced redemption.

Entitlement timing: trials, grace, seats, usage caps, agent leases.

Rule-driven adaptive pricing with explainable calculations.

Referral campaigns, points ledgers, and reward catalogs.

Ranked scoring with windows, weighted metrics, and surrounding-rank queries.

Single/double elimination, swiss, and round-robin brackets with auto-progression.

Ticket queues with rule-based compatibility matching in streaming or batch pools.

Player organizations with join policies, roles, and a shared treasury-backed bank.

Multi-step objectives with expeditions, puzzle chains, and treasury rewards.

Rule-driven achievements across seven rule types with live progress over WebSocket.

Versioned SVG badges with live state sources, signed metadata, and offline verification.

Weighted random draws with seeded determinism, unique and consumable modes.

Domain-scoped trust scores with decay and tiers, plus directed affinity edges and a nemesis ladder.

N-party synchronized action within a simultaneity window, and dead-man switches when inverted.

Information propagating hop by hop through a graph, mutating as fidelity decays, chased by corrections.

Staked agreements in four shapes (oath, bounty, market, pool) escrowed in real treasury wallets.

Coupled population dynamics integrated deterministically on read, with harvests and interventions.

Deterministic generation with supply-capped series and hash-chained provenance.

What happens to a subject's assets when it dies or goes dark: plans, triggered cases, and dispositions.

Server-authoritative progression with tier gates, XP curves, respecs, and versioned player migration.

The platform's front door: accounts, credentials, organizations, sessions, and tenant resolution.

The SCIM 2.0 surface Okta and Entra drive to keep an organization in step with a corporate directory.

Canonical identity resolution across fragmented external accounts, wallets, handles, and personas.

Proof that a Snug identity controls an account elsewhere, via publicly posted nonce challenges.

A naming registry with per-namespace charset and case rules, atomic uniqueness, and confusable blocking.

Bilateral negotiation with escrowed stage-and-dual-confirm settlement over currency and items.

Versioned policy documents and consent tracking with a hash-chained audit log.

Virtual waiting rooms for scarce capacity with admission strategies, sessions, and anti-gaming.

Versioned product tours and server-tracked onboarding progress with branching and A/B variants.

A redirect control plane and click hot path with scheduling, click caps, password gates, and conditional routing.

Scoped actor state for interactive fiction, isolated per story and session then promoted to canon.

Runs compiled Lore DSL programs as server-side sessions, emitting story events and blocking on player choice.

Schema-backed intake with drafts, file uploads, and validation, without writing a backend handler.

Voting with real ballot integrity: four tally strategies, one ballot per identity, and instant-runoff results.

Shared simulated time: virtual clocks, custom calendars, and a seeded weather model.

A spatial index for current positions, with radius, bounding-box, and distance queries plus geofences.

Identity and configuration records for AI agents, with prompts, TOML payloads, and procedure runbooks.

Heartbeat monitoring for machines, with uptime, latency trends, and fleet-wide queries.

Rate limiting you configure: named token buckets checked against your own subjects and actions.

From a running server to your first authenticated call.

What SnugNut is for, and the shape every service shares.

Every API, mirrored one-to-one on the command line.

Tokens, scopes, tenants, and roles.