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be98a0b978
`camelCase`'s `toUpperCase()` is a fourth reader of the engine's Unicode tables, on a table distinct from XID membership and with a wider window: a tool named U+019B passes `isBareIdentifier` and compiles as `async def` on CPython 3.9.6, but Node maps the head to U+A7DC and the declared `class Args` fails there with `invalid non-printable character`. Record it alongside the three XID read points in the renderer docs and in the note's CPython-floor obligation, and pin the derivation with a test. Correct three over-quantified sentences: a `camelCase`-derived class name is evaluated for every tool but only reaches emitted text when some object shape in the schema declares a `TypedDict`. Attribute the `str.isidentifier()` equivalence to `IDENTIFIER` rather than to the predicate, which is deliberately stricter, and restore the antecedent the mode qualification dropped.
core/ — product API spine
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The session log, system-prompt assembly, tool registry, agent vocabulary, and concrete loop that form the harness's default control spine. These are product packages — the stable surface plugins and consumers build against.
| Package | Role | ctx key |
|---|---|---|
scope/ |
Scoped-context registration primitive | library — no ctx key |
session/ |
Event-sourced session log and in-memory store | ctx.sessions |
system-prompt/ |
Prompt and tool-schema assembly registry | ctx.systemPrompt |
tools/ |
Scoped tool registry and execution pipeline | ctx.tools |
agent/ |
Agent interface, registry, and event vocabulary | ctx.agents |
agent-loop/ |
Default concrete agent driver | ctx.agentLoop |
scope supplies the shared scoping primitive. agent owns the public seam, while agent-loop is its default implementation; extension plugins depend on the seam so the driver remains swappable.
Runnable compositions belong to examples/agent-spine-demo; this group owns only the swappable spine pieces.