Major milestone · ca. 2026-07-09 · 18:00
Foundation established
The repository became the authoritative source for 2HE architecture, terminology, principles, conventions, standards, and specifications.
Why it mattered: 2HE stopped being a collection of loosely related instructions and gained a single canonical platform foundation.
Evolutionary effect: Later repositories and AI participants could refer to one authoritative architecture instead of relying on remembered chat context.
Major milestone · ca. 2026-07-13 · 22:00
Canonical Conventions platform
General and specialized conventions were separated through the Applicable Conventions model: specialized rules may extend or constrain, but may not silently replace the general layer.
Why it mattered: Context-specific workflows could become precise without fragmenting the shared rules of 2HE.
Evolutionary effect: A convention could now be activated for a task, repository, participant type, or cooperation session while remaining subordinate to higher canonical layers.
Major milestone · 2026-07-16 · ca. 16:00
Conversation Between Chats
The LCP-based cooperation protocol introduced participant-owned files, handshake validation, task exchange, review, and a mandatory conventions refresh before execution.
Why it mattered: The user no longer had to manually transport all project state from one chat into another.
Evolutionary effect: Cooperation became explicit, inspectable, repository-backed, and safer than assumed shared memory.
Supporting milestone · 2026-07-16 · ca. 17:00
Guide Platform and GitHub Pages
Canonical Markdown remained authoritative while GitHub Pages became the fast navigation, workflow, and conceptual-understanding layer.
Why it mattered: The architecture became quicker to understand and easier to operate without weakening canonical source control.
Evolutionary effect: 2HE gained a visible Navigation Layer that can grow into a developer cockpit rather than a conventional documentation site.
Major milestone · CI-0009 · 2026-07-17 · ca. 16:00
Repository Developer Cooperation
A product-independent participant model was defined for Copilot, Codex, Cursor, human developers, and future repository-bound agents.
Why it mattered: Repository cooperation no longer depends on one named AI product or coding environment.
Evolutionary effect: Repository developers became first-class 2HE participants with repository, branch, workspace, commit-head, and working-tree context.
Supporting milestone · CI-0010 · 2026-07-17 · ca. 16:10
Repository Developer Lifecycle
The complete path was standardized: open repository, refresh conventions, resolve applicable rules, read the cooperation record, handshake, execute, validate, commit, pull request, review, merge, and close.
Why it mattered: Cooperation rules became an executable development rhythm rather than only a communication protocol.
Evolutionary effect: Future AI developers can join a repository through the same lifecycle without being individually hard-coded into the platform.
Supporting milestone · 2026-07-19 · completed foundation increment
Knowledge Capture and Continuous Canonicalization
Knowledge Capture became operational through the Idea Cache and the command now exposed as 2he cache.
Motivation: Valuable ideas repeatedly emerged during real engineering work, but discussing them immediately disrupted the active task while postponing them risked losing context.
Outcome: Repository Validation now separates small sprint-relevant canonical updates from larger or unrelated captures. Every promotion check includes repository, duplication, domain, maturity, Guide, Evolution, and sprint relevance.
Key principles: Capture first; continue the sprint; canonicalize proven local improvements; keep unresolved hypotheses explicitly non-canonical.
Evolutionary effect: 2HE can preserve discoveries, maintain a clean working conversation, and prevent scope expansion from delaying implementation.
Supporting milestone · 2026-07-19 · completed foundation increment
Remote 2HE CLI execution
A safe GitHub Actions runner exposes 2he pages build and 2he repo status through manual workflow dispatch and short-lived command issues.
Why it mattered: Repository validation can be requested from a project conversation without requiring access to the local Codespace terminal.
Boundary: Only read-only validation commands are remotely exposed. Publishing and arbitrary shell execution remain unavailable.
Evolutionary effect: The conversation-to-repository loop now includes remote execution while retaining a constrained, inspectable security boundary.
Supporting milestone · CI-0012 · 2026-07-23
End-to-End Execution and Pages CRUD
2HE DO <Target> became the durable authorization for one scoped repository cycle through implementation, validation, commit, push, applicable deployment, and external verification.
Why it mattered: The user no longer has to repeat routine publication instructions while every reported state remains evidence-based.
Boundary: The contract does not authorize unrelated changes, secret publication, destructive history operations, or bypassing required review.
Evolutionary effect: Pages Create, Read, Update, and Delete operations now have one canonical source-to-public lifecycle with explicit completion boundaries.
Supporting milestone · CI-0013 · 2026-07-23
Repository Ecosystem Binding
Workbench, implementation, and consumer repositories received one global binding, README, bootstrap, local-content, adoption, and public-workspace contract.
Why it mattered: Repository independence no longer implies canonical autonomy, and new participants can recover both shared governance and the actual local implementation state.
Boundary: Applicable global and Component rules stay canonical in the Ecosystem; code, configuration, architecture, operations, and project status remain local to the implementation repository.
Evolutionary effect: New chats continue existing systems from verified sources instead of repeatedly recreating project intent from conversation memory.
Supporting milestone · 2026-07-19 · foundation established
2HE-CDE Foundation
Conversation Driven Engineering was established inside the Engineering domain as the method by which structured conversations shape repositories, canonical knowledge, architecture, processes, and products.
Why it mattered: Direct repository engineering from the project conversation proved that conversation can be part of the engineering process rather than merely a prompt interface.
Outcome: Repository-first development, repository validation, continuous canonicalization, domain locality, and sprint-preserving updates now form the initial CDE working model.
Evolutionary effect: New 2HE projects can begin with an empty repository and an initialized project conversation, then develop through short commit, build, review, and continuation loops.
Paused cleanly · remaining concepts captured
Identity Domain
The first canonical concept, Participant, defines an identifiable entity that can actively take part in the 2HE-Eco.
Next dedicated sprint: Validate Role, Assignment, Capability, Authority, Permission, Responsibility, and Trust.
Current boundary: The remaining concepts and meta-architecture hypotheses are preserved in the Idea Cache and do not block product coding in other project conversations.
Expected evolutionary effect: Identity becomes reusable across conversations, repository developers, agents, automations, services, and future 2HE systems.
Planned · after validated product demand
Visual Cockpit
Continue turning the guide into a developer cockpit with timelines, diagrams, repository context, cooperation state, search, and concise visual explanations.
Why it matters: Snappy visual understanding reduces the time required to form a reliable mental model of 2HE.
Expected evolutionary effect: The Navigation Layer becomes a practical working surface for learning, doing, and inspecting platform state.