Move opencode config to static file; switch to vLLM-only backend

- Remove inline opencode_config_content() and configured_ollama_host()
  from Rexfile; config is now a plain file in opencode/opencode.json
- Remove JSON::PP dependency (no longer needed)
- Simplify home_opencode task to one-liner using ensure glob
- opencode/opencode.json: all 10 vLLM model presets from hyperstack
  (qwen3-coder-next, gpt-oss-20b/120b, llama-3.3-70b, qwen25-coder-32b,
  qwen3-coder-30b, deepseek-r1-32b, qwen3-32b, devstral, nemotron-super)
- Default model set to vLLM qwen3-coder-next (was Ollama qwen3-coder:30b)
- Ollama models removed; opencode now connects exclusively to vLLM

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/opencode/opencode.json b/opencode/opencode.json
new file mode 100644
index 0000000..1944ea1
--- /dev/null
+++ b/opencode/opencode.json
@@ -0,0 +1,45 @@
+{
+   "$schema" : "https://opencode.ai/config.json",
+   "model" : "ollama/bullpoint/Qwen3-Coder-Next-AWQ-4bit",
+   "provider" : {
+      "ollama" : {
+         "models" : {
+            "bullpoint/Qwen3-Coder-Next-AWQ-4bit" : {
+               "name" : "Qwen3 Coder Next (vLLM)"
+            },
+            "openai/gpt-oss-20b" : {
+               "name" : "GPT-OSS 20B (vLLM)"
+            },
+            "openai/gpt-oss-120b" : {
+               "name" : "GPT-OSS 120B (vLLM)"
+            },
+            "casperhansen/llama-3.3-70b-instruct-awq" : {
+               "name" : "Llama 3.3 70B AWQ (vLLM)"
+            },
+            "Qwen/Qwen2.5-Coder-32B-Instruct-AWQ" : {
+               "name" : "Qwen2.5 Coder 32B (vLLM)"
+            },
+            "QuantTrio/Qwen3-Coder-30B-A3B-Instruct-AWQ" : {
+               "name" : "Qwen3 Coder 30B (vLLM)"
+            },
+            "casperhansen/deepseek-r1-distill-qwen-32b-awq" : {
+               "name" : "DeepSeek-R1-Distill 32B (vLLM)"
+            },
+            "Qwen/Qwen3-32B-AWQ" : {
+               "name" : "Qwen3 32B (vLLM)"
+            },
+            "cyankiwi/Devstral-Small-2507-AWQ-4bit" : {
+               "name" : "Devstral Small 2507 (vLLM)"
+            },
+            "cyankiwi/NVIDIA-Nemotron-3-Super-120B-A12B-AWQ-4bit" : {
+               "name" : "Nemotron 3 Super 120B (vLLM)"
+            }
+         },
+         "name" : "Ollama",
+         "npm" : "@ai-sdk/openai-compatible",
+         "options" : {
+            "baseURL" : "http://hyperstack.wg1:11434/v1"
+         }
+      }
+   }
+}