chore: ship v1.10.0 release surface refresh

docs/releases/1.10.0/discussion-announcement.md

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+# ECC v1.10.0 is live
+
+ECC just crossed **140K stars**, and the public release surface had drifted too far from the actual repo.
+
+So v1.10.0 is a hard sync release:
+
+- **38 agents**
+- **156 skills**
+- **72 commands**
+- plugin/install metadata corrected
+- top-line docs and release surfaces brought back in line
+
+This release also folds in the operator/media lane that has been growing around the core harness system:
+
+- `brand-voice`
+- `social-graph-ranker`
+- `connections-optimizer`
+- `customer-billing-ops`
+- `google-workspace-ops`
+- `project-flow-ops`
+- `workspace-surface-audit`
+- `manim-video`
+- `remotion-video-creation`
+
+And on the 2.0 side:
+
+ECC 2.0 is now **real as an alpha control-plane surface** in-tree under `ecc2/`.
+
+It builds today and exposes:
+
+- `dashboard`
+- `start`
+- `sessions`
+- `status`
+- `stop`
+- `resume`
+- `daemon`
+
+That does **not** mean the full ECC 2.0 roadmap is done.
+
+It means the control-plane alpha is here, usable, and moving out of the “just a vision” category.
+
+The shortest honest framing right now:
+
+- ECC 1.x is the battle-tested harness/workflow layer shipping broadly today
+- ECC 2.0 is the alpha control-plane growing on top of it
+
+If you have been waiting for:
+
+- cleaner install surfaces
+- stronger cross-harness parity
+- operator workflows instead of just coding primitives
+- a real control-plane direction instead of scattered notes
+
+this is the release that makes the repo feel coherent again.