Fix issue #2434: Allow tools to specify if they permit repeated usage

Co-Authored-By: Joe Moura <joao@crewai.com>

tests/cassettes/test_agent_repeated_tool_usage_respects_allow_repeated_usage.yaml

@@ -0,0 +1,95 @@
+interactions:
+- request:
+    body: '{"messages": [{"role": "system", "content": "You are test role. test backstory\nYour
+      personal goal is: test goal\nYou ONLY have access to the following tools, and
+      should NEVER make up tools that are not listed here:\n\nTool Name: repeatable_tool\nTool
+      Arguments: {''anything'': {''description'': None, ''type'': ''str''}}\nTool
+      Description: A tool that allows being used repeatedly with the same input.\n\nIMPORTANT:
+      Use the following format in your response:\n\n```\nThought: you should always
+      think about what to do\nAction: the action to take, only one name of [repeatable_tool],
+      just the name, exactly as it''s written.\nAction Input: the input to the action,
+      just a simple JSON object, enclosed in curly braces, using \" to wrap keys and
+      values.\nObservation: the result of the action\n```\n\nOnce all necessary information
+      is gathered, return the following format:\n\n```\nThought: I now know the final
+      answer\nFinal Answer: the final answer to the original input question\n```"},
+      {"role": "user", "content": "\nCurrent Task: Use the repeatable tool with the
+      same input multiple times.\n\nThis is the expected criteria for your final answer:
+      The result of using the repeatable tool\nyou MUST return the actual complete
+      content as the final answer, not a summary.\n\nBegin! This is VERY important
+      to you, use the tools available and give your best Final Answer, your job depends
+      on it!\n\nThought:"}], "model": "gpt-4", "stop": ["\nObservation:"]}'
+    headers:
+      accept:
+      - application/json
+      accept-encoding:
+      - gzip, deflate
+      connection:
+      - keep-alive
+      content-length:
+      - '1443'
+      content-type:
+      - application/json
+      host:
+      - api.openai.com
+      user-agent:
+      - OpenAI/Python 1.61.0
+      x-stainless-arch:
+      - x64
+      x-stainless-async:
+      - 'false'
+      x-stainless-lang:
+      - python
+      x-stainless-os:
+      - Linux
+      x-stainless-package-version:
+      - 1.61.0
+      x-stainless-raw-response:
+      - 'true'
+      x-stainless-retry-count:
+      - '0'
+      x-stainless-runtime:
+      - CPython
+      x-stainless-runtime-version:
+      - 3.12.7
+    method: POST
+    uri: https://api.openai.com/v1/chat/completions
+  response:
+    content: "{\n    \"error\": {\n        \"message\": \"Incorrect API key provided:
+      sk-proj-********************************************************************************************************************************************************sLcA.
+      You can find your API key at https://platform.openai.com/account/api-keys.\",\n
+      \       \"type\": \"invalid_request_error\",\n        \"param\": null,\n        \"code\":
+      \"invalid_api_key\"\n    }\n}\n"
+    headers:
+      CF-RAY:
+      - 923d7d097e94585c-SEA
+      Connection:
+      - keep-alive
+      Content-Length:
+      - '414'
+      Content-Type:
+      - application/json; charset=utf-8
+      Date:
+      - Fri, 21 Mar 2025 12:35:18 GMT
+      Server:
+      - cloudflare
+      Set-Cookie:
+      - __cf_bm=Q1SICHUtjtv5VIyjejhOK84VaDt9c0W.OVC6v_gypkQ-1742560518-1.0.1.1-qJY3vQUXlr.VsRsaGGOWSlwiIAp08q3Lt8WnlqIyScSZLPbR0lKV.af50DgwmKKgMtmbt3i27M3b_InDvj8zqEeADyauevHK67qwXvnimEo;
+        path=/; expires=Fri, 21-Mar-25 13:05:18 GMT; domain=.api.openai.com; HttpOnly;
+        Secure; SameSite=None
+      - _cfuvid=BrdkkJU.eT5POa3a8EbLDfLnncr8znx1G52s.PDhIOE-1742560518752-0.0.1.1-604800000;
+        path=/; domain=.api.openai.com; HttpOnly; Secure; SameSite=None
+      X-Content-Type-Options:
+      - nosniff
+      alt-svc:
+      - h3=":443"; ma=86400
+      cf-cache-status:
+      - DYNAMIC
+      strict-transport-security:
+      - max-age=31536000; includeSubDomains; preload
+      vary:
+      - Origin
+      x-request-id:
+      - req_88d97a89c4b41a4e306821c931177663
+    http_version: HTTP/1.1
+    status_code: 401
+version: 1