docs: human-led natural-language tone sweep (PyAutoBrain#81)

Reword organism framing to the human-led voice settled on the org
front page: you lead in plain English, agents plan/build/test/release,
you make every judgment call. Tone only - no boundary changes.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: 2 people

ORGANISM.md

@@ -4,6 +4,10 @@ The **one canonical page** for the organs, their boundaries, and the call
 chain. Every other repo links here instead of restating this — if you are
 editing organism prose anywhere else, stop and edit this file.
 
+The organism is an agentic AI ecosystem for **human-led, natural-language
+software development**: you describe what you want in plain English, the
+organs plan, build, test and release it, and you make every judgment call.
+
 ## The organs
 
 | Organ | Repo | Role and boundary |

README.md

@@ -5,8 +5,9 @@ gets done: it classifies incoming tasks, plans them, and routes them to
 specialist agents, delegating execution to the other organs. It holds no
 state, runs no health checks, and never releases anything itself.
 
-The organism is described once in [ORGANISM.md](ORGANISM.md). The short
-version:
+The organism — an agentic AI ecosystem for human-led, natural-language
+software development — is described once in [ORGANISM.md](ORGANISM.md). The
+short version:
 
 | Organ | Repo | Job |
 |-------|------|-----|
@@ -31,5 +32,5 @@ bash bin/install.sh          # symlink every organ's skills into ~/.claude
 Runs straight from its checkout — no pip install. Agent contracts and the
 organ boundary are in [AGENTS.md](AGENTS.md); how much a run may do without
 a human is the autonomy contract, [AUTONOMY.md](AUTONOMY.md). The full
-organism documentation — including how to fork and run your own — is at
+organism documentation — including how to fork it and lead your own — is at
 <https://pyautoscientist.readthedocs.io> (source: `docs/`).

docs/concepts/workflow.md

@@ -7,8 +7,9 @@ idea  →  prompt file  →  issue  →  worktree  →  PR(s)  →  merge  →
         (Mind)          (GitHub)   (isolated)   (gated)   (human)   (Mind)
 ```
 
-1. **Intent is written down first.** A task starts as a markdown file in the
-   Mind under `<work-type>/<target>/<name>.md` — plain English, no template.
+1. **Intent is written down first.** A task starts as a markdown file you
+   write in the Mind under `<work-type>/<target>/<name>.md` — plain English,
+   no template.
    The work-type folder (`feature/`, `bug/`, `refactor/`, `docs/`, …) tells
    the Brain what kind of reasoning the task needs.
 2. **`start_dev`** routes the prompt through the Brain's Feature Agent:

docs/index.md

@@ -1,20 +1,22 @@
 # PyAutoScientist
 
 PyAutoScientist is a working, opinionated reference implementation of an
-**AI-agent development organism**: a set of five git repositories — Mind,
-Brain, Heart, Hands, Memory — that together let AI coding agents plan,
-implement, test, gate and release software across a multi-repo project,
-with a human checkpointing the judgment calls.
+**AI-agent development organism** for human-led, natural-language software
+development: a set of five git repositories — Mind, Brain, Heart, Hands,
+Memory — through which you lead a multi-repo project in plain English. You
+describe what you want; AI agents plan, implement, test, gate and release
+it; you make every judgment call.
 
 It is not a framework you install. It is the live system that develops the
 [PyAuto astronomy stack](https://pyautolabs.github.io) every day — tens of
 repositories, nightly releases, hundreds of tasks — documented so that you
-can **fork it and run your own**, driving projects that have nothing to do
+can **fork it and lead your own**, driving projects that have nothing to do
 with astronomy.
 
 ## The idea in five lines
 
-- Every piece of work starts as a plain-English markdown file in the **Mind**.
+- Every piece of work starts as a plain-English markdown file you write in
+  the **Mind**.
 - The **Brain** classifies it, plans it, and routes it through specialist agents.
 - Work happens on task worktrees and ships as pull requests, gated by the
   **Heart**'s health verdict.