IMPROVEMENT research-assistant configurable report type (#13312)

<!-- Thank you for contributing to LangChain!

Replace this entire comment with:
  - **Description:** a description of the change, 
  - **Issue:** the issue # it fixes (if applicable),
  - **Dependencies:** any dependencies required for this change,
- **Tag maintainer:** for a quicker response, tag the relevant
maintainer (see below),
- **Twitter handle:** we announce bigger features on Twitter. If your PR
gets announced, and you'd like a mention, we'll gladly shout you out!

Please make sure your PR is passing linting and testing before
submitting. Run `make format`, `make lint` and `make test` to check this
locally.

See contribution guidelines for more information on how to write/run
tests, lint, etc:

https://github.com/langchain-ai/langchain/blob/master/.github/CONTRIBUTING.md

If you're adding a new integration, please include:
1. a test for the integration, preferably unit tests that do not rely on
network access,
2. an example notebook showing its use. It lives in `docs/extras`
directory.

If no one reviews your PR within a few days, please @-mention one of
@baskaryan, @eyurtsev, @hwchase17.
 -->

---------

Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>

templates/research-assistant/research_assistant/writer.py

@@ -1,8 +1,13 @@
 from langchain.chat_models import ChatOpenAI
 from langchain.prompts import ChatPromptTemplate
 from langchain.schema.output_parser import StrOutputParser
+from langchain.schema.runnable import ConfigurableField
 
-REPORT_TEMPLATE = """Information: 
+WRITER_SYSTEM_PROMPT = "You are an AI critical thinker research assistant. Your sole purpose is to write well written, critically acclaimed, objective and structured reports on given text."  # noqa: E501
+
+
+# Report prompts from https://github.com/assafelovic/gpt-researcher/blob/master/gpt_researcher/master/prompts.py
+RESEARCH_REPORT_TEMPLATE = """Information: 
 --------
 {research_summary}
 --------
@@ -18,14 +23,53 @@ Write all used source urls at the end of the report, and make sure to not add du
 You must write the report in apa format.
 Please do your best, this is very important to my career."""  # noqa: E501
 
+
+RESOURCE_REPORT_TEMPLATE = """Information: 
+--------
+{research_summary}
+--------
+
+Based on the above information, generate a bibliography recommendation report for the following question or topic: "{question}". \
+The report should provide a detailed analysis of each recommended resource, explaining how each source can contribute to finding answers to the research question. \
+Focus on the relevance, reliability, and significance of each source. \
+Ensure that the report is well-structured, informative, in-depth, and follows Markdown syntax. \
+Include relevant facts, figures, and numbers whenever available. \
+The report should have a minimum length of 1,200 words.
+
+Please do your best, this is very important to my career."""  # noqa: E501
+
+OUTLINE_REPORT_TEMPLATE = """Information: 
+--------
+{research_summary}
+--------
+
+Using the above information, generate an outline for a research report in Markdown syntax for the following question or topic: "{question}". \
+The outline should provide a well-structured framework for the research report, including the main sections, subsections, and key points to be covered. \
+The research report should be detailed, informative, in-depth, and a minimum of 1,200 words. \
+Use appropriate Markdown syntax to format the outline and ensure readability.
+
+Please do your best, this is very important to my career."""  # noqa: E501
+
 model = ChatOpenAI(temperature=0)
 prompt = ChatPromptTemplate.from_messages(
     [
-        (
-            "system",
-            "You are an AI critical thinker research assistant. Your sole purpose is to write well written, critically acclaimed, objective and structured reports on given text.",  # noqa: E501
-        ),
-        ("user", REPORT_TEMPLATE),
+        ("system", WRITER_SYSTEM_PROMPT),
+        ("user", RESEARCH_REPORT_TEMPLATE),
     ]
+).configurable_alternatives(
+    ConfigurableField("report_type"),
+    default_key="research_report",
+    resource_report=ChatPromptTemplate.from_messages(
+        [
+            ("system", WRITER_SYSTEM_PROMPT),
+            ("user", RESOURCE_REPORT_TEMPLATE),
+        ]
+    ),
+    outline_report=ChatPromptTemplate.from_messages(
+        [
+            ("system", WRITER_SYSTEM_PROMPT),
+            ("user", OUTLINE_REPORT_TEMPLATE),
+        ]
+    ),
 )
 chain = prompt | model | StrOutputParser()