docs(doctrine): reconcile 3.0.md tooling-floor wording with the bd/git floor (ag-60jd #tooling-floor-reconcile)

docs/3.0.md

@@ -165,7 +165,7 @@ The difference in daemon posture is deliberate and is the crux of the deletion d
 - No new practices or methodology; 3.0 is composition, not invention.
 - No coupling to a consumer's domain vocabulary; bounded contexts are named by the consuming repo.
 - **No always-on daemon, scheduler, or overnight runner shipped by AgentOps.** Those surfaces were deleted; out-of-session orchestration is the substrate's job (reference: NTM + MCP + managed-agents). The in-session loop is the zero-dependency sovereignty floor.
-- No new required tooling; `bd`, the ratchet, and the `ao` CLI carry the load.
+- No new required tooling; the floor is unchanged — `git` + an agent runtime stay hard-required, `bd` is required for the bead-tracked workflow ("No bead, no PR"), and the ratchet + `ao` CLI carry the rest.
 - No required cloud, telemetry, or hosted control plane; state lives in `.agents/` in your repo and is portable across model and harness.
 - Hooks-as-default-primitive: abandoned (the A/B delta = 0 result); 3.0 ships zero hooks.