Support single-file prompts

* adding --prompts-file arg to point just at a README.md with
  prompts sections

prompts/qrencode/README.md

@@ -16,3 +16,11 @@ functions:
       image: vonwig/qrencode:latest
 ---
 
+# Prompt user
+
+Generate a QR code for the 
+url https://github.com/docker/labs-ai-tools-for-devs and write it to file `qrcode.png`.
+
+# Result
+
+This function generates a QR code for a URL. The QR code is saved as a PNG file.

runbook.md

@@ -6,6 +6,12 @@
 bb -m prompts --help
 ```
 
+### run without --host-dir
+
+```sh
+bb -m prompts
+```
+
 ### Plain prompt Generation
 
 ```sh
@@ -58,6 +64,8 @@ bb -m prompts run \
               --url http://localhost:11434/v1/chat/completions
 ```
 
+TODO - this should fail better because the prompts-dir is not valid.
+
 ```sh
 bb -m prompts run \
               --host-dir /Users/slim/docker/labs-make-runbook \
@@ -133,6 +141,37 @@ bb -m prompts run \
               --model "llama3-groq-tool-use:latest" 
 ```
 
+#### Test single file prompts
+
+```sh
+rm ~/docker/labs-make-runbook/qrcode.png
+```
+
+```sh
+bb -m prompts run \
+              --host-dir /Users/slim/docker/labs-make-runbook \
+              --user jimclark106 \
+              --platform darwin \
+              --prompts-file prompts/qrencode/README.md
+```
+
+```sh
+open ~/docker/labs-make-runbook/qrcode.png
+```
+
+```sh
+bb -m prompts run \
+              --host-dir /Users/slim/docker/labs-make-runbook \
+              --user jimclark106 \
+              --platform darwin \
+              --prompts-file prompts/qrencode/README.md \
+              --url http://localhost:11434/v1/chat/completions \
+              --model "llama3.1" \
+              --nostream \
+              --debug
+```
+
+
 #### Using Containerized runner
 
 ```sh

src/git.clj

@@ -52,7 +52,7 @@
                         (fs/create-dirs default-dir)
                         default-dir))))
 
-(defn prompt-dir
+(defn prompt-file
   "returns the path or nil if the github ref does not resolve
    throws if the path in the repo does not exist or if the clone fails"
   [ref]
@@ -85,7 +85,7 @@
   (fs/create-dir prompts-cache)
   (def x "github:docker/labs-make-runbook?ref=main&path=prompts/docker")
   (def git-ref (parse-github-ref x))
-  (prompt-dir "github:docker/labs-make-runbook?ref=main&path=prompts/docker")
+  (prompt-file "github:docker/labs-make-runbook?ref=main&path=prompts/docker")
   (parse-github-ref nil)
   (parse-github-ref "")
   (parse-github-ref "github:docker/labs-make-runbook")

src/markdown.clj

@@ -54,8 +54,7 @@
    (filter heading-1-section?)
    (map (comp zip/node zip/up zip/up))
    (filter (partial prompt-section? content))
-   (map (partial node-content content))
-   (pprint)))
+   (map (partial node-content content))))
 
 (defn parse-markdown [content]
   (let [x (docker/function-call-with-stdin
@@ -66,11 +65,13 @@
                                     (docker/finish-call x)))]
     (->> s
          (edn/read-string)
-         (extract-prompts content))))
+         (extract-prompts content)
+         (into []))))
 
 (comment
+  (string/split content #"\n")
 
-  (def content (slurp "test.md"))
+  (def content (slurp "prompts/qrencode/README.md" ))
   (pprint (parse-markdown content))
 
   (def t