Refactor /gen and /ted in %base; improve +help

[sigilante]

Pursuant to discussion in #7004.

• /gen has been refactored into more consistent categories.
• %story has been moved to its own repo.
• /ted is planned to be similarly refactored.

[sigilante]

• /ted has been refactored to parallel /gen conventions.

[sigilante]

+help now searches /ted as well as /gen; to wit,

> +help %code
+code     ::  Login code for web UI
-code     ::  Login code for web UI

We also support agent-directed generator notation:

> +helper %spider
:spider|kill        ::  Kill a thread
:spider|poke        ::  Poke a thread
:spider|start       ::  Start a thread
:spider|stop        ::  Stop a thread
+spider/tree        ::  List running threads

Now I need it to search for a buried one, and to handle paths. E.g.,

> +help %cp
|cp     ::  Copy a file in Clay

> +help /hood/cp
|cp     ::  Copy a file in Clay

I also intend to investigate /ted calling syntax in Dojo, as nested thread paths do not parse with /.

[sigilante]

> +help /hood/gall
|gall/rein/hoon     ::  Adjust the state of agents on a desk.
|gall/sear/hoon     ::  Clear ship from pending queues
|gall/start/hoon    ::  Drum: boot unstarted app
|gall/verb/hoon     ::  Helm: Adjust Gall verbosity
|gall/sift/hoon     ::  Helm: Set Gall Verbosity by Agent
|gall/doff/hoon     ::  Kill old-style subscription.
|gall/goad/hoon     ::  Kiln: force Gall to rebuild agents
|gall/nuke/hoon     :: wipe agent state & subscriptions after confirmation

> +help /test
-test/hoon          <undocumented>

> +help %test
-test/hoon          <undocumented>

Looks like I'm missing passing in the file contents now.

[sigilante]

> +help %code
+code     ::  Login code for web UI
|code     ::  Helm: query or reset login code for web
-code     ::  Login code for web UI

> +help %cp
|cp       ::  Kiln: copy file in clay
|clay/cp            ::  Kiln: copy file in clay

> +help /toot/sweet
/toot/sweet not found

> +help /hood/clay/cp
|clay/cp            ::  Kiln: copy file in clay

> +help %test
-test     ::  Run tests at paths.

> +help %toot
%toot not found

> +help %hood
|ames/close-flows   ::  Deletes all stale ames flows from failed (re) subscriptions
|commit   ::  Kiln: Commit from mount
* * *
|suspend            ::  Suspend the agents on a desk
|unmount            ::  Kiln: Remove unix mount

[sigilante]

Oh, remaining desideratum: parse thread syntax like -azimuth/load in Dojo.

[sigilante]

OK, got thread parsing with optional / supported now:

> -azimuth/load
ship: loading azimuth snapshot (137.928 points)
ship: processing azimuth snapshot (137.928 points)

> -azimuth-load
ship: loading azimuth snapshot (137.928 points)
ship: processing azimuth snapshot (137.928 points)

> -base!azimuth/load
ship: loading azimuth snapshot (137.928 points)
ship: processing azimuth snapshot (137.928 points)

> -base!azimuth-load
ship: loading azimuth snapshot (137.928 points)
ship: processing azimuth snapshot (137.928 points)

[sigilante]

This is ready for review.

[sigilante]

This will require some modest changes to documentation since a few things are moved. Important things are duplicated.