HappyCodex v1.4.0

Context-efficient subagent routing for HappyCodex.

• Reuses stable subagent bodies for decision-changing deltas and uses fresh no-history children for independent evidence bodies.
• Adds compact auditable handoffs, Root seam correlation, and reason-gated rereads.
• Keeps small bounded work direct and makes compact ExecPlan reread conditional while preserving unconditional live-state re-grounding.
• Preserves v1.3.0 authority, freeze, secret-exclusion, Exact-final, and one-shot effect semantics.
• Reduces installed Skill tokens by about 7.5% on the measured tokenizer while avoiding hard quotas or truncation.

Validated with 106 offline tests, Skill and plugin validators, blind forward tests, and a fresh blocker-only Exact-final GO for 5e1386a.

HappyCodex v1.3.0

Proportional blocker admission for HappyCodex.

• Grounds blockers and required coverage in supported paths and real Outcome, preservation, workflow, or material safety requirements.
• Keeps the bounded repair/replacement review ladder and one-shot external-effect semantics.
• Adds a closed 29-scenario evaluator matrix covering both material blockers and non-blocking incidental concerns.

Validated with 103 tracked offline tests, Skill and plugin validators, and a fresh blocker-only Exact-final GO for b04ca81.

HappyCodex v1.2.1

HappyCodex v1.2.1 makes native agent spawn context selection explicit.

• Default explicit agent_type, model, or reasoning_effort spawns to a self-contained fork_turns="none" packet.
• Use the smallest positive fork only when a recent raw artifact cannot be faithfully referenced or restated.
• Reserve omitted/"all" for intentional same-agent inheritance.
• Add public-contract coverage for these launch-packet invariants.

Validation: 101 offline tests passed; the focused 11-test routing/firewall suite passed; Skill and plugin validators passed; fresh Exact-final returned GO for ccd14fe.

Install: codex plugin add happycodex@happycodex

HappyCodex v1.2.0

HappyCodex v1.2.0 is a deletion-first refinement of the Codex-native reliability guidance for high-risk engineering work.

Highlights:

• Reduces the installed Skill from 200 lines / 1825 words to 145 lines / 1153 words while preserving decision-bearing safety.
• Clarifies that a scout or worker required by an applicable Skill is an explicit delegation request when host rules prohibit only proactive delegation; a real host denial still wins.
• Replaces long phrase-lock checks with closed scenario-to-decision coverage for delegation and advisory-pass stopping.
• Keeps consumer-native immutable freeze, one writer per overlap, blocker-only Exact-final review, one-shot effects, truthful closure, and recovery-surface preservation.

Validation:

• 101/101 offline standard-library tests passed.
• Skill and plugin validators plus git diff --check passed.
• Fresh replacement Exact-final returned GO for candidate tree acd20cfc51ad93b40710f83814186fe9a9ada205.

HappyCodex v1.1.0

HappyCodex v1.1.0 makes advisory review converge without imposing a fixed round cap.

Highlights:

• Keeps advisory reviewers reusable and follow-ups uncapped while requiring every new pass to have a bounded, verdict-changing reason.
• Prevents an old standing instruction from automatically renewing passes; an unknown that no bounded pass can resolve is reported instead of looped.
• Clarifies that advisory evidence adds no authority and may refine planned surfaces only inside the unchanged authorization boundary.
• Treats compatibility breaks as proposals until the exact incompatibility and material consumer, data, or cutover effects are request-authorized.
• Preserves fresh immutable Exact-final review, one-writer ownership, stateless evaluation, and the v1.0.0 scope-stability contract.

Validation:

• 101 offline tests passed.
• Skill and plugin validation passed.
• Fresh Exact-final returned GO for tree df246eb4a1cde5bef94e415f34b20773d4602fcf.

HappyCodex v1.0.0

HappyCodex v1.0.0 establishes the stable Codex-native reliability contract for
high-risk and long-running engineering work.

Highlights:

• Separates the workspace/task authorization boundary from the exact frozen
  consumer input closure and one-writer overlap.
• Treats bounded additive tool caches and task-owned temporary, log, and
  compiled output as reportable incidental footprint rather than scope drift.
• Keeps system or shared installs, destructive shared-cache changes, trust and
  credential state, remote or paid resources, ambiguous effects, and omitted
  consumer inputs fail-closed.
• Preserves stateless evaluation, consumer-native freeze, one-shot external
  effects, evidence-based convergence, and fresh blocker-only terminal review.

HappyCodex v0.16.0

HappyCodex v0.16.0 adds evidence-first scouting for architecture and design recommendations grounded in current implementation facts.

Highlights:

• Routes unread, multi-artifact current-fact questions to one native read-only scout before the Primary forms a recommendation.
• Requires observable questions and a facts-only report with citations, searched scope, and unknowns.
• Keeps judgment with the Primary and skips the scout when one or two bounded direct lookups suffice or the facts are already verified.
• Extends deterministic evaluator fixtures, oracles, schemas, and tests with a broad positive case and a bounded negative control.
• Preserves native zero-configuration routing with no custom agent, model pin, or external provider dependency.

Validation:

• 100/100 offline tests passed.
• Skill and plugin validators passed.
• Fresh no-history Exact-final: GO for commit 735b75d.

Install:
codex plugin marketplace add cch96/happycodex
codex plugin add happycodex@happycodex

Start a new Codex task after installation or local activation.

HappyCodex v0.15.1

HappyCodex v0.15.1 bounds Root convergence on decision-changing evidence
while preserving hard-task blockers, required unknowns, and existing release
safety.

Highlights:

• Adds an explicit stability handoff covering Outcome, change boundary, Done,
  writer, blockers, increments, and exclusions.
• Gives the fixed Executor the candidate write lock and admits later revision
  briefs only with new decision-changing evidence or a concrete blocker.
• Admits new obligations through a concrete Outcome, preservation, required-
  workflow, or candidate-new safety/correctness failure path; plan-stage
  reasoning remains allowed and implementation reproduces where feasible.
• Preserves current blockers and required unknowns instead of treating the
  convergence gate as a reason to escape or close them.
• Allows Root at most one focused verification after delegated evidence,
  requires naming the verdict it could flip, and answers status/conclusion
  requests with the current verdict and unknowns first.
• Makes Root read-only after freeze and returns any candidate change to the
  fixed Executor before checks, refreeze, and existing review semantics.
• Adds no controller, mutable ledger, runtime monitor, model downgrade, token
  quota, or other runtime enforcement mechanism.

Validation:

• Full offline suite, focused convergence/version tests, manifest JSON and
  Python import validation, Skill/plugin validators, line budgets, published-
  tree immutability, commit-bound readback, and Git diff checks pass.
• Fresh no-history blocker-only Exact-final: GO.

Install:
codex plugin marketplace add cch96/happycodex
codex plugin add happycodex@happycodex

Installation and activation are separate from this release. Start a new
Codex task after any separately authorized installation or activation.

HappyCodex v0.15.0

HappyCodex v0.15.0 separates iterative convergence from terminal Exact-final admission without adding a controller or mutable review ledger.

Highlights:

• Keeps iterative convergence review advisory and uncapped while requiring a fresh no-history reviewer over one immutable identity for terminal evidence.
• Allows follow-up and messaging, but downgrades later Exact-final-handle output to convergence-only instead of enforcing a round limit.
• Adds optional, stateless, trust-dependent hook guardrails using the default plugin hook path; hooks are explicitly bypassable and not an enforcement boundary.
• Includes hook bytes in consumer identity and represents a hookless previous release with explicit absent entries under one identity scheme.
• Clarifies plan-only review, composite candidate envelopes, and one writer across overlapping semantic contracts and effect resources.

Validation:

• Full offline suite, focused hook/cross-version tests, Skill/plugin validators, JSON/Python validation, line budgets, and Git diff checks pass.
• Fresh blocker-only Exact-final: GO.

Install:
codex plugin marketplace add cch96/happycodex
codex plugin add happycodex@happycodex

Start a new Codex task after installation and review/trust optional hooks before expecting them to run.

HappyCodex v0.14.1

HappyCodex v0.14.1 clarifies ExecPlan testing order and temporary runtime
resources without adding a new control plane.

Highlights:

• Keeps focused real-path checks during iteration and places the required
  cumulative or full suite after candidate scope is stable and before native
  freeze.
• Makes task-created or reused containers, temporary database roles, and
  reserved ports or sockets explicit mutable-resource examples.
• Checks that task-created temporary resources are cleaned up or explicitly
  retained when applicable.
• Adds no Session/Outcome protocol, controller, ledger, scheduler, resource
  receipt, cleanup state machine, or recovery snapshot.

Validation:

• Full offline suite, import check, Skill/plugin validators, and Git diff
  checks pass.
• Fresh blocker-only exact-final: GO.

Install:
codex plugin marketplace add cch96/happycodex
codex plugin add happycodex@happycodex

Start a new Codex task after installation.