Add ability to reference files in prompt buffer

- type @ in the prompt to fuzzy-search and reference project files, content gets resolved and injected into LLMcontext
- moved completion provider logic out of cmp.lua into agents and files domain modules
- added completions registry to support multiple trigger characters (# rules, @ files)
- added tests for file discovery, fuzzy matching, and the completions registry

1 files changed, 3 insertions, 3 deletions

diff --git a/lua/99/ops/over-range.lua b/lua/99/ops/over-range.lua
index 209be9f..efb0a93 100644
--- a/lua/99/ops/over-range.lua
+++ b/lua/99/ops/over-range.lua
@@ -3,7 +3,7 @@ local RequestStatus = require("99.ops.request_status")
 local Mark = require("99.ops.marks")
 local geo = require("99.geo")
 local make_clean_up = require("99.ops.clean-up")
-local Agents = require("99.extensions.agents")
+local Completions = require("99.extensions.completions")
 
 local Range = geo.Range
 local Point = geo.Point
@@ -50,8 +50,8 @@ local function over_range(context, range, opts)
     full_prompt =
       context._99.prompts.prompts.prompt(additional_prompt, full_prompt)
 
-    local rules = Agents.find_rules(context._99.rules, additional_prompt)
-    context:add_agent_rules(rules)
+    local refs = Completions.parse(additional_prompt)
+    context:add_references(refs)
   end
 
   local additional_rules = opts.additional_rules