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This change fixes the handling of keep_alive so that if client
request omits the setting, we only set this on initial load.  Once
the model is loaded, if new requests leave this unset, we'll keep
whatever keep_alive was there.

* OpenAI v1 models

* Refactor Writers

* Add Test

Co-Authored-By: Attila Kerekes

* Credit Co-Author
Co-Authored-By: Attila Kerekes <439392+keriati@users.noreply.github.com>

* Empty List Testing

* Use Namespace for Ownedby

* Update Test

* Add back envconfig

* v1/models docs

* Use ModelName Parser

* Test Names

* Remove Docs

* Clean Up

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

* Add Middleware for Chat and List

* Completions Endpoint

* Testing Cleanup

* Test with Fatal

* Add functionality to chat test

* Rename function

* float types

* type cleanup

* cleaning

* more cleaning

* Extra test cases

* merge conflicts

* merge conflicts

* merge conflicts

* merge conflicts

* cleaning

* cleaning

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Co-authored-by: Attila Kerekes <439392+keriati@users.noreply.github.com>
Co-authored-by: Jeffrey Morgan <jmorganca@gmail.com>

* OpenAI v1 models

* Refactor Writers

* Add Test

Co-Authored-By: Attila Kerekes

* Credit Co-Author
Co-Authored-By: Attila Kerekes <439392+keriati@users.noreply.github.com>

* Empty List Testing

* Use Namespace for Ownedby

* Update Test

* Add back envconfig

* v1/models docs

* Use ModelName Parser

* Test Names

* Remove Docs

* Clean Up

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

* Add Middleware for Chat and List

* Testing Cleanup

* Test with Fatal

* Add functionality to chat test

* OpenAI: /v1/models/{model} compatibility (#5028)

* Retrieve Model

* OpenAI Delete Model

* Retrieve Middleware

* Remove Delete from Branch

* Update Test

* Middleware Test File

* Function name

* Cleanup

* Test Update

* Test Update

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Co-authored-by: Attila Kerekes <439392+keriati@users.noreply.github.com>
Co-authored-by: Jeffrey Morgan <jmorganca@gmail.com>

Previously, some costly things were causing the loading of GGUF files
and their metadata and tensor information to be VERY slow:

  * Too many allocations when decoding strings
  * Hitting disk for each read of each key and value, resulting in a
    not-okay amount of syscalls/disk I/O.

The show API is now down to 33ms from 800ms+ for llama3 on a macbook pro
m3.

This commit also prevents collecting large arrays of values when
decoding GGUFs (if desired). When such keys are encountered, their
values are null, and are encoded as such in JSON.

Also, this fixes a broken test that was not encoding valid GGUF.

Provide consistent ordering for the ps command - longest duration listed first

* 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>

* Add Mod Time to Show

* Error Handling

* API app/browser access

* Add tauri (resolves #2291, #4791, #3799, #4388)

* Remove false time fields

* Struct Separation for List and Process

* Remove Marshaler

particularly useful for zipfiles and f16s

* Fixed the API endpoint /api/tags to return {models: []} instead of {models: null} when the model list is empty.

* Update server/routes.go

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

* rename `--quantization` to `--quantize`

* backwards

* Update api/types.go
Co-authored-by: Michael Yang <mxyng@pm.me>

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Co-authored-by: Michael Yang <mxyng@pm.me>

Ensure the runners are terminated

This cleans up the logging for GPU discovery a bit, and can
serve as a foundation to report GPU information in a future UX.

* Add preflight OPTIONS handling and update CORS config

- Implement early return with HTTP 204 (No Content) for OPTIONS requests in allowedHostsMiddleware to optimize preflight handling.

- Extend CORS configuration to explicitly allow 'Authorization' headers and 'OPTIONS' method when OLLAMA_ORIGINS environment variable is set.

* allow auth, content-type, and user-agent headers

* Update routes.go