feat: add foreman provider type for endpoint overrides

Accept "foreman" in both resolveModel (GADFLY_BASE_URL) and endpointProvider
(GADFLY_ENDPOINT_*) switches, mapping to majordomo's ollama.Foreman() preset
(handles foreman's non-streaming/long-poll quirks). Unlike the HTTPS-only
LLM_* foreman:// DSN, the base URL is verbatim, so a plaintext http:// foreman
queue works. Tests + README provider table + endpoint-aliases example updated.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

examples/endpoint-aliases.yml

@@ -5,10 +5,15 @@
 # can then reference as "<name>/<model>" (NAME lowercases: BIGBOX -> bigbox).
 # The base URL is used verbatim, so plaintext http LAN endpoints work.
 #
+# provider is ollama / foreman / openai / anthropic / google. "foreman" targets a
+# foreman queue daemon (https://gitea.stevedudenhoeffer.com/steve/foreman) — native
+# Ollama on the wire, so just give it the daemon's URL (and optional bearer token).
+#
 # Gitea note: vars/secrets aren't auto-exposed as env, so map each alias here.
-# Suggested repo vars:
+# Suggested repo vars (and a secret when the value carries a token):
 #   GADFLY_ENDPOINT_BIGBOX = ollama|http://192.168.1.50:11434
 #   GADFLY_ENDPOINT_GPU    = openai|http://gpu.lan:8000/v1
+#   GADFLY_ENDPOINT_M1     = foreman|http://foreman-m1:8080|<token>   (use a secret)
 
 name: Adversarial Review (Gadfly)
 
@@ -49,8 +54,9 @@ jobs:
           # --- named endpoints (mapped from repo vars) ---
           GADFLY_ENDPOINT_BIGBOX: ${{ vars.GADFLY_ENDPOINT_BIGBOX }}   # "ollama|http://192.168.1.50:11434"
           GADFLY_ENDPOINT_GPU: ${{ vars.GADFLY_ENDPOINT_GPU }}         # "openai|http://gpu.lan:8000/v1"
+          GADFLY_ENDPOINT_M1: ${{ secrets.GADFLY_ENDPOINT_M1 }}        # "foreman|http://foreman-m1:8080|<token>"
           # one reviewer (one comment) per model, across the aliased endpoints:
-          GADFLY_MODELS: "bigbox/qwen2.5-coder:7b,gpu/llama3.1"
+          GADFLY_MODELS: "bigbox/qwen2.5-coder:7b,gpu/llama3.1,m1/qwen3:14b"
           # --- event context (leave as-is) ---
           EVENT_NAME: ${{ github.event_name }}
           PR: ${{ github.event.pull_request.number || github.event.issue.number || github.event.inputs.pr_number }}