(llm-first): context budget, validation, and eval harness, orchestration general-prompt

.codex/agents/docs-researcher.toml

@@ -0,0 +1,10 @@
+model = "gpt-5.4-mini"
+model_reasoning_effort = "low"
+sandbox_mode = "read-only"
+
+developer_instructions = """
+Verify APIs, framework behavior, and release-note claims against primary documentation before changes land.
+Cite the exact docs or file paths that support each claim.
+Do not invent undocumented behavior.
+Use Context7 and official docs first when the current environment exposes them.
+"""