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This reverts commit 09430011.

- Both `/api/generate` and `/api/chat` now accept a `"think"`
  option that allows specifying whether thinking mode should be on or
  not
- Templates get passed this new option so, e.g., qwen3's template can
  put `/think` or `/no_think` in the system prompt depending on the
  value of the setting
- Models' thinking support is inferred by inspecting model templates.
  The prefix and suffix the parser uses to identify thinking support is
  also automatically inferred from templates
- Thinking control & parsing is opt-in via the API to prevent breaking
  existing API consumers. If the `"think"` option is not specified, the
  behavior is unchanged from previous versions of ollama
- Add parsing for thinking blocks in both streaming/non-streaming mode
  in both `/generate` and `/chat`
- Update the CLI to make use of these changes. Users can pass `--think`
  or `--think=false` to control thinking, or during an interactive
  session they can use the commands `/set think` or `/set nothink`
- A `--hidethinking` option has also been added to the CLI. This makes
  it easy to use thinking in scripting scenarios like
  `ollama run qwen3 --think --hidethinking "my question here"` where you
  just want to see the answer but still want the benefits of thinking
  models

The quantization PR didn't block all unsupported file types,
which this PR fixes.  It also updates the API docs to reflect
the now reduced set of supported types.

Some options listed in api/types.go are not supported in
newer models, or have been deprecated in the past. This is
the first of a series of PRs to clean up the API options

This is to prevent rendering bright red comments indicating invalid JSON when the comments are just supposed to be explanatory

With support for multimodal models becoming more varied and common it is important for clients to be able to easily see what capabilities a model has. Retuning these from the show endpoint will allow clients to easily see what a model can do.

Co-authored-by: Jeffrey Morgan <jmorganca@gmail.com>

Now that server.cpp is gone, we don't need to keep passing arguments
that were only ignored and only kept for compatibility.

* Use llama3.1 in tools example

* Update api.md

* API Show Extended

* Initial Draft of Information
Co-Authored-By: Patrick Devine <pdevine@sonic.net>

* Clean Up

* Descriptive arg error messages and other fixes

* Second Draft of Show with Projectors Included

* Remove Chat Template

* Touches

* Prevent wrapping from files

* Verbose functionality

* Docs

* Address Feedback

* Lint

* Resolve Conflicts

* Function Name

* Tests for api/show model info

* Show Test File

* Add Projector Test

* Clean routes

* Projector Check

* Move Show Test

* Touches

* Doc update

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Co-authored-by: Patrick Devine <pdevine@sonic.net>

* API PS Documentation

* Correct typos.

* Correct typos.

* Update api.md

Changed the calculation of tps (token/s) in the documentation

* Update docs/api.md

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Co-authored-by: Jeffrey Morgan <jmorganca@gmail.com>

* Update 'llama2' -> 'llama3' in most places

---------
Co-authored-by: Patrick Devine <patrick@infrahq.com>