The managed DSH_* runtime path was correct, but its public extension and documentation contracts were incomplete. A contributor following the README could access ctx.bashEnv without declaring an injection, the new environment types had no drift-checked catalog entries, and the capability graph omitted three packages that now query sessionPersistence.
Declare the README injection, catalog DshEnvironmentKey and DshEnvironment, and add tool-bash plus both hook bridges to the generated persistence consumer graph. Keep BashEnvRegistry.list() contributor-only for now because no production caller treats it as exhaustive, but record the built-in enumeration gap before diagnostics, prompt, or UI code depends on it.
Validated on the exact resulting tree with typecheck, lint, coverage, snapshot, documentation, module-graph, build, hygiene, demo-smoke, and built-artifact checks.
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