docs: add working context file

WORKING-CONTEXT.md

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+# Working Context
+
+Last updated: 2026-03-31
+
+## Purpose
+
+Public ECC plugin repo for agents, skills, commands, hooks, rules, install surfaces, and ECC 2.0 platform buildout.
+
+## Current Truth
+
+- Default branch: `main`
+- Immediate blocker addressed: CI lockfile drift and hook validation breakage fixed in `a273c62`
+- Local full suite status after fix: `1723/1723` passing
+- Main active operational work:
+  - keep default branch green
+  - audit and classify remaining open PR backlog by full diff
+  - continue ECC 2.0 control-plane and operator-surface buildout
+
+## Current Constraints
+
+- No merge by title or commit summary alone.
+- No arbitrary external runtime installs in shipped ECC surfaces.
+- Overlapping skills, hooks, or agents should be consolidated when overlap is material and runtime separation is not required.
+
+## Active Queues
+
+- PR backlog: audit and classify remaining open PRs into merge, port/rebuild, close, or park
+- Product:
+  - selective install cleanup
+  - control plane primitives
+  - operator surface
+  - self-improving skills
+- Security:
+  - keep dependency posture clean
+  - preserve self-contained hook and MCP behavior
+
+## Open PR Classification
+
+- Merge candidate after full diff audit:
+  - `#1064` `chore(deps-dev): bump @eslint/js from 9.39.2 to 10.0.1`
+- Close or supersede:
+  - `#1063` `chore(deps-dev): bump eslint from 9.39.2 to 10.1.0`
+- Park pending audit / bundle-policy review:
+  - `#1069` `feat: add everything-claude-code ECC bundle`
+  - `#1068` `feat: add everything-claude-code-conventions ECC bundle`
+- Port or rebuild inside ECC after full audit:
+  - `#1055` Dart / Flutter support
+  - `#1043` C# reviewer and .NET skills
+  - `#894` Jira integration
+  - `#852` openclaw-user-profiler
+  - `#851` openclaw-soul-forge
+  - `#844` ui-demo skill
+  - `#834` localized catalog sync and antigravity target filtering
+  - `#814` session completion summary notifications
+  - `#808` desktop notifications
+  - `#640` harper skills
+
+## Interfaces
+
+- Public truth: GitHub issues and PRs
+- Internal execution truth: linked Linear work items under the ECC program
+- Current linked Linear items:
+  - `ECC-206` ecosystem CI baseline
+  - `ECC-207` PR backlog audit and merge-policy enforcement
+  - `ECC-208` context hygiene
+
+## Update Rule
+
+Keep this file detailed for only the current sprint, blockers, and next actions. Summarize completed work into archive or repo docs once it is no longer actively shaping execution.